Best lakes around Kollerschlag are found in a region known for its picturesque landscapes, rolling hills, and forests in Upper Austria. The area offers opportunities for hiking and outdoor activities, with trails leading through natural formations. While Kollerschlag itself is not directly known for large natural lakes, the broader Mühlviertel region features reservoir lakes and artificial swimming lakes. This area provides a setting for various outdoor pursuits, including exploring water bodies.
Last updated: June 26, 2026
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a wooden sculpture on the peninsula at Lake Ranna
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From the peninsula at Lake Ranna, there is a beautiful view over the entire lake.
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a beautiful reservoir on the border between Germany and Austria
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Great in summer for swimming/lazing around and taking a break
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A wonderful bathing lake that can also be comfortably walked around (on foot or by bike).
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A wonderful bathing lake that can also be comfortably walked around (on foot or by bike).
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Very nice access along the Ranna below the dam coming from Oberkappel. The last few meters at the dam are steep and challenging due to washed-out gravel channels
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Great tips and information to make you want to visit this place. Thank you for that!
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The region around Kollerschlag, part of the broader Mühlviertel, features a mix of reservoir lakes and artificial swimming lakes. These include water bodies used for power generation, like the Ranna Reservoir, and recreational areas such as Rannasee.
Yes, several spots are great for families. Rannasee is an artificial swimming lake with bays, paddle boat rentals, and even a 120-meter water slide. The Konzinger Steg — Footbridge over the Ranna Reservoir offers an easy path around the Rannasee, suitable for all ages. Additionally, the Urlsee Pond Nature Trail is a comfortable 1300m circular walk, ideal for families with prams and wheelchair users.
Beyond the lakes themselves, the region is known for picturesque landscapes, rolling hills, and forests. You can find impressive granite formations along trails like the Granitsteig. The Urlsee Pond Nature Trail specifically highlights the pond habitat and the diversity of plant and animal life in and around Lake Urlsee.
Absolutely. The area is popular for hiking. For example, the path around the Rannasee, accessible from the Konzinger Steg, is easy to navigate. You can find various hiking routes around Kollerschlag, including moderate and difficult options, by exploring the Hiking around Kollerschlag guide.
Yes, the region offers cycling opportunities. You can find routes that pass by the Ranna Reservoir Dam. For more options, check out the Cycling around Kollerschlag guide and the Gravel biking around Kollerschlag guide, which include routes near the Ranna Reservoir.
The Ranna Reservoir Dam is an impressive man-made monument, built between 1947 and 1950. It stands 50 meters high with a walkable crown 125 meters long. It serves as a water reservoir for a power plant and is home to various fish. It offers great views and is an interesting architectural sight.
Yes, Rannasee is an artificial swimming lake with an area of 20 hectares. It features bays, a restaurant, and is a popular destination for swimming and other water activities.
Visitors appreciate the scenic views, especially from spots like the Konzinger Steg over the Ranna Reservoir and the Rannasee. The combination of natural beauty, well-maintained trails, and recreational facilities like those at Rannasee makes the area appealing for outdoor enthusiasts and families.
Yes, the Urlsee Pond Nature Trail is specifically designed to be comfortable and walkable, measuring 1300 meters long and 2.5 meters wide, making it ideal for families with prams and wheelchair users.
The region is generally suitable for outdoor activities throughout the year. The Urlsee Pond Nature Trail, for instance, is open all year. For swimming and paddle boating at Rannasee, the warmer months are ideal.
While the region is primarily known for its natural beauty and outdoor activities, the Ranna Reservoir Dam itself is a significant man-made monument with a history dating back to its construction between 1947 and 1950, serving as a testament to regional engineering.


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