The resort sits on the Bürgenberg mountain and offers several restaurants with terraces, as well as panoramic views of the picturesque lake and the mountains of Central Switzerland. Bürgenstock Hotels & Resort - Palace Hotel accepts these cards and reserves the right to temporarily hold an amount prior to arrival. With kind regards Christian Sack General Manager #TravelNow. 29,141 were here. Sehen Sie die Welt wie nie zuvor! Friendly staff. Burgenstock is minutes away. The resort sits on the Bürgenberg mountain and offers several restaurants with terraces, as well as unique panoramic views of the picturesque lake and the mountains of Central Switzerland. “The very understated entry to a fabulous resort. ), I already have a booking at this property. Craig Eastwood 1,027 views. Excellent food. It always has. See great photos, full ratings, facilities, expert advice and book the best hotel deals. We'll use the same guidelines and standards for all user-generated content, and for the property responses to that content. kONTAkT. Read more, “Amazing views and property detailed to the last tiny bit! After their trip, guests tell us about their stay. Thank you for your loyalty and support during the past year. Additional sorting options might be available (by type of traveler, by score, etc...). Need something else? Comments and media that include hate speech, discriminatory remarks, threats, sexually explicit language, violence, or the promotion of illegal activity are not allowed. The 32808 ft² spa area features an indoor pool, 2 outdoor pools, 1 of which offers an infinity edge with breathtaking views of Lake Lucerne, 3 private spa rooms, 15 treatment rooms and a fully equipped fitness area. After 9 years of restoration that cost $560M, the property has opened its doors. Burgenstock Tourism: Tripadvisor has 1,960 reviews of Burgenstock Hotels, Attractions, and Restaurants making it your best Burgenstock resource. Geniessen Sie die Ruhe und Abgeschiedenheit unseres exklusiven Wellness-Resorts bei Luzern. The staff and the property represents true luxury service. WiFi is available in all areas and is free of charge. The indoor/outdoor pool is spectacular, especially during the winter season. printed menus, magazines, pens, paper) removed, Hand sanitizer in guest accommodation and common areas, Thermometers for guests provided by property, Use of cleaning chemicals that are effective against coronavirus, Linens, towels, and laundry washed in accordance with local authority guidelines, Guest accommodation disinfected between stays, Guests have the option to cancel any cleaning services for their accommodation during their stay, Screens or physical barriers between staff and guests in appropriate areas, Food can be delivered to guest accommodation, All plates, cutlery, glasses, and other tableware sanitized. Choose your currency. The Bürgenstock Resort nestles in the heart of Central Switzerland atop a spectacular mountain ridge offering incomparable views of Lake Lucerne. Popular attractions Chapel Bridge and Burgenstock are located nearby. Breakfast, WiFi, and parking are free at this hotel. We've sent you an email so you can confirm your subscription. Get exclusive access to members-only deals by email. The Bürgenstock Resort is an incredible development project taking place on the shoulders of Bürgenberg, a breathtaking alpine cliff, 500 meters above Lake Lucerne. Thank you so much! Informatie over Contact sluiten. The Bürgenstock Hotel is located on the piazza, at the heart of the Bürgenstock Resort, next to the Bürgenstock funicular, which takes you down to the shipping pier (connections to Lucerne). The spa is truly world class. Good for couples – they rated the facilities 9.7 for two-person stays. Guests loved walking around the neighborhood! Lageplan & Anreise Mit Auto Nur rund 10 Minuten ab Autobahnausfahrt Stansstad (Richtung Süden) bzw. Bürgenstock Resort Bürgenstock 6363 Obbürgen +41 (0)41 612 60 00 information @ buergenstock.ch www.buergenstock.ch. Free private parking is possible on site (reservation is not needed). You'll receive an email as soon as the property answers your question. Read more. Booking.com is a distributor (without any obligation to verify) and not a publisher of these questions and answers. To our both surprise there was a wonderful and super delicious chocolate cake waiting in our room right after check-in. 2/3 Palace Hotel - Bürgenstock Resort Lake Lucerne. Z Ü RI CH -A I RPORT. ÖFFNUNGSZEITEN . This lets us know our reviews come from real guests like you. Buergenstock Hotel - Buergenstock Resort locations, rates, amenities: expert Obburgen research, only at Hotel and Travel Index. The most helpful contributions are detailed and help others make better decisions. Einschätzung der Bonität mit einer Ampel als Risikoindikator und weiteren hilfreichen Firmeninformationen. Bürgenstock Hotels AG. Booking.com’s role is to be a feedback distributor for both guests and properties. _____ Happy New Year! Your cancellation request will be handled by the property, based on your chosen policy and consumer law where applicable. ... Adresse Nidwalden Tourismus Bahnhofplatz 2 CH-6370 Stans +41 (0)41 610 88 33 info @ nidwalden.com. Bürgenstock 6363 Bürgenstock NW +41 41 612 61 78. And the view and service and dont let me start with the infinity pool .. thats the best as well !! Arrive via the legendary Bürgenstock Railway to the newly built luxurious hotel and enjoy incredible views far above Lake Lucerne. Opened in 1873, Bürgenstock Resort hosted numerous personalities who visited to enjoy the miraculous hideaway and to marvel at the technical wonders of the funicular railway and the Hammetschwand, Europe’s largest outdoor lift. Bürgenstock Hotels & Resort CH-6363 Obbürgen Zentrale: +41 41 612 60 00 Medizinisches Zentrum: +41 41 612 6600 information@burgenstockresort.com. The very understated entry to a fabulous resort. Your question will be published on Booking.com after it's approved and answered. 3:11. Companion, Mai 2019. Something went wrong – please try again later. Free Private Parking Available On Site. This time I mentioned that my girlfriend has a birthday while reserving a dinner table. Super Resort”, “Simply Amazing! You can request this in the next step. Check for travel restrictions. This time I mentioned that my girlfriend has a birthday while reserving a dinner table. View deals for Bürgenstock Hotels & Resort – Waldhotel & Spa, including fully refundable rates with free cancellation. Only a customer who has booked through Booking.com and stayed at the property in question can write a review. These guidelines and standards aim to keep the content on Booking.com relevant and family-friendly, without limiting expression or strong opinions. Issues concerning Booking.com’s services should be directed to our Customer Service or Accommodation Service teams. Your current language is English (US), Great for Two Travelers. Unser Team kümmert sich um Ihre Bedürfnisse und macht ihren Aufenthalt zu etwas ganz Besonderem. Bürgenstock Resort Bürgenstock 6363 Obbürgen Telefoon +41 (0)41 612 60 00 buergenstock.ch . Excellent food. The whole Bürgenstock Resort team is already looking forward to welcoming you back in the near future and remains at your assistance in the meanwhile. There's no capacity for cribs at this property. Zertifizierte Bewertungen, authentische Fotos, Empfehlungen und … F. G. H. R. 29 L Ä R 14 m NI S / 95 C 60 H ft. Y M. ft. R SS. We're sorry, but there was an error submitting your comment. The Bürgenstock Hotel is located on the piazza, at the heart of the Bürgenstock Resort, next to the Bürgenstock funicular, which takes you down to the shipping pier (connections to Lucerne). Stay at this 5-star luxury hotel in Ennetbuergen. Airport shuttle available – additional charges may apply. The company was established in 1928 by a group of European hoteliers. Bürgenstock Resort, 6363 Bürgenstock, Switzerland, Bürgenstock Hotels & Resort - Bürgenstock Hotel & Alpine Spa, I already have a booking with this property, Top Location: Highly rated by recent guests (9.7). Bürgenstock Hotels & Resort CH-6363 Obbürgen Telefon +41 41 612 60 00 information@burgenstockresort.com Entdecken Sie die Bürgenstock Selection: Verpassen Sie mit unserem Newsletter keine News und Angebote. Weitere Kontaktdetails wie Telefon, Website oder E-Mail-Adresse freischalten. We recommend booking an option with free cancellation in case your travel plans change. Bürgenstock Hotels & Resort - Bürgenstock Hotel & Alpine Spa takes special requests – add in the next step! Bathroom features (shower, bathtub, etc. If you stayed at this property through Booking.com, you can write a review. All around fantastic stay the Burgenstock Hotel and Alpine Spa, terrific views and spa! Google disclaims all warranties related to the translations, express or implied, including any warranties of accuracy, reliability, and any implied warranties of merchantability, fitness for a particular purpose, and non-infringement. All rooms have soaking tubs and free minibars. By Car. To our both surprise there was a wonderful and super delicious chocolate cake waiting in our room right after check-in. Your contribution should be yours. The spa is truly world class. Adresse Nidwalden Tourismus Bahnhofplatz 2 CH-6370 Stans +41 (0)41 610 88 33 info @ nidwalden.com. Waldhotel Health & Medical Excellence. If your plans change, you can cancel free of charge until free cancellation expires. Switzerland's Bürgenstock Resort is one of the most talked about hotel openings of the year. The Bürgenstock Hotel is located on the piazza, at the heart of the Bürgenstock Resort, next to the Bürgenstock funicular, which takes you down to the shipping pier (connections to Lucerne). Unser Ziel ist es, Ihrem Leben durch unsere ganzheitlichen Programme, die von einem umfangreichen medizinischen Betreuungsteam mit renommierten Spezialisten aus verschiedenen medizinischen Fachbereichen definiert werden, gesunde, reichhaltige Jahre zu verleihen. Booking.com will make an effort to obscure email addresses, telephone numbers, website addresses, social media accounts, and other similar details. If you don’t book a flexible rate, you may not be entitled to a refund. Avoid using profanity or approximations of profanity with creative spelling – in any language. Respect the privacy of others. To see correct prices and occupancy info, add the number and ages of children in your group to your search. Guests praise the locale. See the full list: Family Hotels in Burgenstock. The Bürgenstock Hotel is located on the piazza, at the heart of the Bürgenstock Resort, next to the Bürgenstock funicular, which takes you down to the shipping pier (connections to Lucerne). Please avoid using profanity or attempts to approximate profanity with creative spelling, in any language. Kranmontage Potain MDT 368A L16, Spa Bürgenstock - Duration: 3:33. .. stay in burgenstock hotel resort and spa the main one .. dont go to the other hotels .. this has it all !” Bürgenstock Hotels & Resorts - Pension Taverne 1879 is set on the Bürgenberg mountain, 1,476 feet above Lake Lucerne in the canton of Nidwalden near Lucerne in the Bürgenstock Resort. Booking.com™. Adresse. Booking.com is part of Booking Holdings Inc., the world leader in online travel and related services. Your current currency is Argentine Peso, Choose your language. Please note that all Special Requests are subject to availability and additional charges may apply. We are all looking forward to welcoming you to the Bürgenstock Resort Lake Lucerne and will ensure you a pleasant stay. Greenville is the county seat of Pitt County and principal city of the Greenville, North Carolina metropolitan area. ), Couples policies (are unmarried individuals allowed? Damit wir sie bestmöglich beraten können, bitten wir Sie das folgende Formular auszufüllen. The most helpful contributions are detailed and help others make better decisions. Spectacular views. All Alpine chalet- style rooms are fitted with a flat-screen TV, free WiFi, an iPod docking station, and a modern bathroom with a shower and a hairdryer. Auskünfte zu Bürgenstock Hotels AG Bonitätsauskunft. Simply Amazing! Your opinion helps us figure out what kinds of info we should ask properties for. Exceptional resort in Provence, by the French Riviera offering the finest in authentic luxury, serenity, sport & well-being. When guests stay at the property, they check out how quiet the room is, how friendly the staff is, and more. Breakfast and WiFi are free, and this hotel also features a spa. * Super Resort. .. stay in burgenstock hotel resort and spa the main one .. dont go to the other hotels .. this has it all ! 낍 Excellent food. Burgenstock is minutes away. Breakfast, WiFi, and parking are free at this hotel. All around fantastic stay the Burgenstock Hotel and Alpine Spa, terrific views and spa! Wir möchten uns bei Ihnen für Ihre Loyalität u... nd Unterstützung bedanken und hoffen, Sie 2021 bei bester Gesundheit wieder hoch über dem Vierwaldstättersee begrüssen zu dürfen. Guests can benefit from free access to Bürgenstock Alpine Spa. The Bürgenstock resort has a long history: the first hotel at this ridge overlooking Lake Lucerne was founded back in 1873. Miss Ninana 13,591 views. Die Unterkunft Bürgenstock Hotels & Resort - Bürgenstock Hotel & Alpine Spa ist 50 m vom Zentrum von Bürgenstock entfernt. Bürgenstock Resort | Travel in Lucerne, Switzerland 2018 - Duration: 6:06. Die berühmte Anfahrt mit Schiff & Bürgenstock Bahn in das Resort ist ein majestätisches und spektakuläres Erlebnis. Read more, “The view, room accommodation, friendly staff great breakfast”, “I had the most fantastic and romantic honeymoon in this hotel and THE BEST I MEAN THE BEST HOTEL IVE EVER BEEN IN MY WHOLE LIFE .. this hotel has it all i mean it .. whatever u need whatever u want everything .. worth every cent and plus the restaurants spice and oak grill omg ! Legendäre Gäste liessen das Bürgenstock Resort zur Legende werden. After 9 years of restoration that cost $560M, the property has opened its doors. The Bürgenstock is a mountain in Switzerland (1,115 m above sea level) located partway along the shore of Lake Lucerne.Bürgenstock is also a resort located at 874 m a.s.l. Click here to read post guidelines. Please enter a valid email address. The RitzCoffier restaurant is also amazing. History. During cool days the breakfast restaurant lends faux fur coats, so you can comfortably parade on the terrace as well as pose for photos with the infinite view. Actual travel distances may vary. A breathtaking resort set on a forested ridge above spectacular Lake Lucerne Bürgenstock Hotels & Resort - Palace Hotel accepts these cards and reserves the right to temporarily hold an amount prior to arrival. Nachbarschaft News aus der Region Nidwalden. Bürgenstock Hotels & Resort Medical Front Office & Rehabilitationsklinik CH-6363 Obbürgen Tel. 6:06. Starting April 6, 2020, your chosen cancellation policy will apply, regardless of the coronavirus. Find more info in the questions and answers. This property was highly rated for its very comfy beds. Finden Sie die besten Preise für Hotel La Quinta Inn & Suites by Wyndham Raleigh Durham Intl AP, Raleigh. Nehmen Sie die Autobahnausfahrt Stans-Süd und fahren Sie Richtung Stansstad. Whoops! Mit vier Hotels, diversen internationalen Restaurants, zahlreichen Sportanlagen und einem traumhaften Alpen Spa ist das Bürgenstock Resort weltweit einzigartig. During cool days the breakfast restaurant lends faux fur coats, so you can comfortably parade on the terrace as well as pose for photos with the infinite view. Getting to Bürgenstock Resort By Air. DAMIT ES IHNEN GUT GEHT. You can only leave a review within 28 days after check-out. Website Booking.com does not accept responsibility or liability for any reviews or responses. Every thing , location , staff , facilities, etc.. Everything is awesome. LondonWiggies wrote a review Feb 2020. Couples in particular like the location – they rated it 9.8 for a two-person trip. Reservations longer than 30 nights are not possible. Want a great night's sleep? The RitzCoffier restaurant is also amazing.”. Während dieser Zeit stehen Ihnen Ersatzbusse zur Verfügung. There was a problem loading the reviews. The Hammetschwand elevator, Europe’s highest outdoor elevator and an Alpine golf course are in the immediate vicinity. Lock in a great price for your upcoming stay, Find a cancellation policy that works for you, “The very understated entry to a fabulous resort. Hotels, Resorts Lucerne Previous Next. View deals for Bürgenstock Hotels & Resort - Bürgenstock Hotel & Alpine Spa, including fully refundable rates with free cancellation. Airport shuttle. Services The view, room accommodation, friendly staff great breakfast. If you booked through us and want to leave a review, please sign in first. Spectacular views. Fantastic! Spectacular views. Adresse. Super Resort”, “Everything was super nice.One of the best location and accommodation.”, “Simply Amazing! Danke, dass Sie sich Ihrer Gesundheit zu Liebe für ein Angebot im Waldhotel Health & Medical Excellence entschieden haben. It always has. When would you like to stay at Bürgenstock Hotels & Resort - Bürgenstock Hotel & Alpine Spa? Hotel situado en Suiza, cerca de Lucerna, a orillas del lago de los Cuatro Cantones o Lago Lucerna. Booking.com does not accept responsibility or liability for any question or answers. Try again. Frohes neues Jahr! Try again? Impresionante hotel de 5 estrellas para escapar y olvidarse del mundo. Greenville is the health, entertainment, and educational hub of North Carolina's Tidewater and Coastal Plain and in 2008 was listed as the Tenth Largest City in North Carolina. Guests are required to show a photo ID and credit card upon check-in. Ich kann "Bürgenstock Hotels-Resort - Waldhotel & Spa" nur empfehlen! Booked once in the last 1 hour on our site. Das Bürgenstock Hotels & Resorts - Pension Taverne 1879 liegt am Bürgenberg, 450 m über dem Vierwaldstättersee im Kanton Nidwalden in der Nähe von Luzern im Bürgenstock Resort. Imaginative designs, effortless styles, awe – unrivalled views and a unique destination, all tell a story of the place. Read the Bürgenstock Resort, Lucerne, Switzerland hotel review on Telegraph Travel. Promotional content will be removed. How to get to Bürgenstock Hotels & Resort - Bürgenstock Hotel & Alpine Spa from Zurich Airport, Sign up and we'll send the best deals to you, Booking.com B.V. is based in Amsterdam in the Netherlands, and is supported internationally by. The spa is truly world class.”, “I had the most fantastic and romantic honeymoon in this hotel and THE BEST I MEAN THE BEST HOTEL IVE EVER BEEN IN MY WHOLE LIFE .. this hotel has it all i mean it ..”, “Amazing views and property detailed to the last tiny bit! There were few tourists … 29,539 were here. From Switzerland, take the A2 motorway, then Stansstad or Stans-Sud exit, and follow the signs to Bürgenstock. Fantastic! Wir werden uns innert 48 Stunden bei Ihnen melden. View deals for Bürgenstock Hotels & Resort - Bürgenstock Hotel & Alpine Spa, including fully refundable rates with free cancellation. ViaMichelin en haar partners bieden u de mogelijkheid om met een paar klikken een hotelkamer, bed and breakfast of appartement te reserveren. Buddy Hackett Tells Divorce Jokes & … 1254240,1262660,1261900,1263480,1262670,1257680,1244730|1,1264270,1263450,1216210,1244730|8,1265380,1264010|4,1263030,1244730|7,1264720|1,1264010,1238790,1264010|2,1244730,1261140,1264400,1263530,1254300,1260030,1265120, Bürgenstock Hotels & Resort - Bürgenstock Hotel & Alpine Spa (Resort) (Switzerland) Deals, Resort Facilities at Bürgenstock Hotels & Resort - Bürgenstock Hotel & Alpine Spa, KKL Culture and Convention Center Lucerne, Staff follow all safety protocols as directed by local authorities, Shared stationery (e.g. ( December) Thank you. Located 450 m above Lake Lucerne in the canton of Nidwalden close to Lucerne, this 5-star hotel awaits you with a combination of modern comfort and a traditional Swiss ambiance. The Resort is a landmark that measures 1 km across and occupies 60 hectares. Don’t include any personal, political, ethical, or religious commentary. More here. Das exklusive und atemberaubende Bürgenstock Hotel & Alpine Spa, 500 Meter über dem Vierwaldstättersee thronend, lädt Sie ein, den Reisenden in Ihnen wiederzuentdecken. Beleef een culinaire droomreis naar Frankrijk met onze chef-kok Marc Haeberlin en Chef de Cuisine Bertrand Charles. ADRESSE. Wellness zum Träumen erwartet Sie in den Bürgenstock Hotels & Resorts 500 Meter über dem Vierwaldstättersee. Hotel Bürgenstock Hotels & Resort - Waldhotel & Spa, Schweiz: 297 Bewertungen, 156 authentische Reisefotos und günstige Angebote für Hotel Bürgenstock Hotels & Resort - Waldhotel & Spa. Enjoy free breakfast, free WiFi, and free parking. They're also applicable regardless of the comment's tone. Friendly staff. Damit verbunden willige ich einer Erhebung und einer Verarbeitung meiner E-Mail-Adresse zum Zweck des Newsletter-Versands ein. The closest airport to Bürgenstock Resort is Zurich, 1 hour away. The newly built Bürgenstock Hotel & Alpine Spa, with its modern architecture and contemporary design, is part of the legendary Bürgenstock Resort. Dear Guest, Booking.com property partners should not post on behalf of guests or offer incentives in exchange for reviews. It is a place boasting a superior sense of vision. Bürgenstock 6363 Obbürgen Adresse ändern. This property was highly rated for its very comfy beds. Contributions to Booking.com are a reflection of the dedication of our guests and properties, so we treat them with the utmost respect. Promotional content will be removed and issues concerning Booking.com’s services should be routed to our Customer Service or Accommodation Service teams. ... Bürgenstock Hotel & Alpine Spa. Burgenstock is minutes away. “The very understated entry to a fabulous resort. This property has taken steps to provide more sustainable and eco-friendly travel. Bürgenstock Resort, 6363 Bürgenstock, Switzerland (score from 948 reviews). Ob mit Schiff und Bahn, auf Wanderwegen oder mit dem PostAuto - viele Wege führen auf den Bürgenberg. What topic(s) do you want to know more about? Travel might only be permitted for certain purposes, and touristic travel in particular may not be allowed. This property has an ATM on site. It is a special experience. During times of uncertainty, we recommend booking an option with free cancellation. All rights reserved. Eisfeld Bürgenstock Resort • Stansstad • Bürgenstock • Winter • Schlittschuhlaufen • Winteraktivitäten • Ausflugstipp • Schlittschuhe. All we ask is that you follow a few simple guidelines. An American visits the fabulous Buergenstock resort in Switzerland! Top Location: Highly rated by recent guests (9.7). Excellent location – show map, Excellent location – rated 9.7/10! And the view and service and dont let me start with the infinity pool .. thats the best as well !! We want you to share your story, with both the good and the not-so-good. Please enter the dates of your stay and check what conditions apply to your preferred room. Bürgenstock Resort. With four hotels, international restaurants, sports facilities and a fantastic spa complex, the Bürgenstock Resort is unique worldwide. During cool days the breakfast restaurant lends faux fur coats, so you can comfortably parade on the terrace as well as pose for photos with the infinite view. Want a great night's sleep? Bürgenstock Hotels & Resort - Waldhotel & Spa accepts these cards and reserves the right to temporarily hold an amount prior to arrival. The resort experienced its heyday in the 1950s and 1960s, welcoming world stars such as Audrey Hepburn and Sophia Loren. Send your own question to the property below. The iconic Bürgenstock Hotels & Resort is part of the visionary Katara Hospitality, which celebrates its 50th anniversary and we are very proud to be part of this journey. Das Waldhotel & Spa begrüßt Sie 450 m über dem Vierwaldstättersee auf dem Bürgenberg im Bürgenstock Resort. Guests praise the locale. Bei Tripadvisor auf Platz 2 von 4 Hotels in Schweiz mit 4,5/5 von Reisenden bewertet. Umfangreiche Kollaborationen und Partnerschaften mit schweizerischen medizinischen Zentren erlauben uns, mit unseren Methoden … And the view and service and dont let me start with the infinity pool .. thats the best as well !! The area offers guests in need of relaxation a whole range of excursion, hiking and mountain biking possibilities. This winter the Bürgenstock Resort reveals new and fresh sights & sounds with Swiss touches high above Lake Lucerne. 50 years of immaculate experiences and brilliant destinations, 50 years of rich cultures and diversity, 50 years of Katara Hospitality. Booking not found – double-check your booking number and PIN then try again. Bürgenstock Hotels & Resort CH-6363 Obbürgen Phone Number +41 41 612 60 00 information@buergenstock.ch Discover the Bürgenstock Selection Don't miss any news and offers with our newsletter. IMMERSED IN THE FOREST. the hotel and facilities, the pool and spa, the hotel staffs, the funicular and its own ferry vessel. Attempts to bring down the rating of a competitor by submitting a negative review will not be tolerated. Location and facilities perfect for those traveling in pairs. Free! Cancellation and prepayment policies vary according to accommodations type. Just note, no mobile allowed in the pool from 12-5pm every day! - Duration: 3:11. Reviews are most valuable when they are original and unbiased. Just note, no mobile allowed in the pool from 12-5pm every day!”, “I had the most fantastic and romantic honeymoon in this hotel and THE BEST I MEAN THE BEST HOTEL IVE EVER BEEN IN MY WHOLE LIFE .. this hotel has it all i mean it .. whatever u need whatever u want everything .. worth every cent and plus the restaurants spice and oak grill omg ! Amazing views and property detailed to the last tiny bit! 62 / O R The Bürgenstock Selection Bürgenstock Selection managt ikonische Luxushotels und Residenzen in Lausanne, Bern und am Vierwaldstättersee.