Best lakes around Flachau are found in the heart of Austria, presenting a range of aquatic environments. The region features both accessible bathing lakes and more remote mountain tarns. Its natural landscape provides opportunities for various outdoor activities centered around water.
Last updated: May 3, 2026
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Zauchensee is a mountain lake and a well-known ski and hiking area in Altenmarkt.
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Here are some good tips for your health.
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Moon Trail with Observatory INTERACTIVE EXPERIENCE STATIONS ABOUT THE MOON WITH AN OPEN-AIR OBSERVATORY The "Mondweg" (Moon Trail) experience trail reveals amazing facts about "Science & the Moon" and "Myth of the Moon" at more than 20 interactive stations around Zauchensee lake, inviting you to join in and try things out. The almost 4 km long "Mondweg" starts at the Willkommenstor (Welcome Gate) in the center of the World Cup resort of Zauchensee, through which you enter the world of the moon. Even those on holiday in Altenmarkt-Zauchensee with children should try out the themed trail, which winds around Zauchensee lake and through the adjacent forest: while older siblings expand their moon knowledge in amazement, the little ones can simply ride along in a rugged all-terrain stroller. Walking time: approx. 2 hours The more than 20 interactive stations of the Mondweg inform about mystical and scientific aspects of the Earth's satellite. Some also invite you to join in and try things out: For example, thanks to Moon Gymnastics or massages, you can feel the influence of the celestial body on the body. You can look into the starry sky through the telescope of the observatory on the shore of Zauchensee lake during the weekly star gazing, and in the garden of the Moon Crater, you can collect specific herbs depending on the moon phase. Meanwhile, the children play on the Moon Playground. Parking: Parking is available at the starting point at the Felserhütte and Garnhofhütte huts. Source: www.altenmarkt-zauchensee.at/de/aktivitaeten/mondweg.html
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The Tappenkarseehütte is located just above the lake of the same name and is an ÖAV hut. In summer, it's a popular destination, including for overnight stays. We even managed to get a spot in the camp at short notice, but it was completely full. Because it was so crowded, everything felt a bit like a mass processing operation. Unfortunately, we didn't get the famous Kaiserschmarrn in the evening either; it's only available during the day. There are few vegetarian options, and no (posted) mountaineering food.
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Starting point for many great hikes or mountain bike tours, great for skiing or snowboarding in winter, many huts, nice people
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If you're lucky you get space otherwise cozy restaurant.
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The Mondweg leads you all the way around the Zauchensee. In winter, you can enjoy the great atmosphere amidst the white forest and mountain world.
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Lake Reitdorf and Lake Flachauwinkl are excellent choices for families. Lake Reitdorf offers a shallow shore, a playground with a sandpit, slides, and swings. Lake Flachauwinkl features an adventure playground with a pirate ship, table tennis, and a beach volleyball court. Additionally, the Moon Trail Zauchensee around Lake Zauchensee has a moon playground and interactive stations designed for all ages.
Yes, the Almsee at Almlust is a natural swimming pond designed with alpine stones and native water plants. It is chlorine-free, offering a natural bathing experience during summer. In winter, it transforms into a venue for guided ice bathing.
Near Lake Zauchensee, you can explore the Moon Trail Zauchensee, an adventure path with over 20 interactive stations about 'Science & Moon' and 'Myth of the Moon', including opportunities for moon gymnastics and stargazing. Lake Flachauwinkl also boasts a high ropes course with a flying fox that traverses the lake.
For a challenging adventure, Tappenkar Lake is a stunning mountain lake accessible via a strenuous but well-maintained climb, rewarding hikers with a wonderful panorama. Nearby, the Tappenkarsee Hut offers food and overnight stays. You can find various mountain hikes in the region, including routes like 'Hinterkuchlbergalm – Lackenkogel Summit loop from Flachau' or 'Grießenkareck Summit loop from Flachau'. For more details, visit the Mountain Hikes around Flachau guide.
Yes, the Schwarze Lacke (Black Tarn) is a small, jet-black mountain pond steeped in local folklore. Legends tell of a golden chariot guarded by a hideous dragon in its depths, with rumblings from the pond often said to precede a storm.
The region around Flachau's lakes offers diverse outdoor activities. You can enjoy mountain biking on trails like 'Zauchensee-Tour (SW23)' near Lake Zauchensee, or road cycling routes such as 'Winkler Lake, Flachauwinkl – Enns Cycle Path near Radstadt loop'. For more information on cycling, explore the MTB Trails around Flachau guide and the Road Cycling Routes around Flachau guide.
Yes, near Tappenkar Lake, the Tappenkarsee Hut serves food and offers accommodation options for hikers. The Jägersee Inn is beautifully located by the lake, offering good food and a wonderful panorama.
The lakes around Flachau offer diverse experiences throughout the year. Summer is ideal for swimming and water activities at lakes like Reitdorf and Flachauwinkl. Mountain lakes like Tappenkar Lake are best visited during the warmer months for hiking. In winter, the Almsee at Almlust transforms for unique guided ice bathing experiences.
Dogs are generally not permitted in the designated bathing areas of Lake Reitdorf and Lake Flachauwinkl. It's advisable to check local regulations for specific lakes if you plan to bring your dog.
Lake Flachauwinkl is known for its quiet, idyllic location and excellent water quality. It offers spacious sunbathing lawns, an adventure playground, and a high ropes course with a flying fox that crosses the lake, providing both relaxation and adventure.
Visitors appreciate the diverse experiences offered, from family-friendly swimming spots and serene mountain retreats to natural swimming ponds. The region's natural landscape provides ample opportunities for various outdoor activities centered around water, with many highlights receiving high praise and numerous photos from the komoot community.


Still not found your perfect lake around Flachau? Check out the guides of these regions to see even more beautiful places.