Best lakes around Ilanz, a historic town in Graubünden's Upper Rhine Valley, offer diverse natural experiences. This region, known as Surselva, provides access to a variety of captivating lakes. Visitors can find everything from tranquil natural pools to scenic mountain reflections and unique geological phenomena. The area serves as an excellent base for exploring these varied aquatic landscapes.
Last updated: May 3, 2026
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one of the most beautiful turquoise lakes in Switzerland
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The lake now boasts a beach, several bathing islands, and pedal boats. Two-thirds of it is fenced in, making it impossible to reach the shore. The natural beauty is so magnificent, yet it has been completely ruined. The photos don't reflect reality!
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Very beautiful lake, unfortunately there are a lot of mosquitoes.
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A beautiful hike through the Flims forest to Il Spir at any time of year
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Although it has been quite warm for November for days, the sun doesn't seem to shine all day. The fog and frost on the plants look very mystical.
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From the small viewing platform at the "mountain station" you have the most beautiful view of the lake.
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Small but nice - a visit and a short walk around are worthwhile☺️
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Super beautiful turquoise lake
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Lake Cauma, often called the 'Pearl of Flims', is highly popular for its crystal-clear, turquoise waters and beautiful forest setting. It features a diving tower, a restaurant with a terrace, and a paddling pool for children. It's ideal for swimming and picnicking, though visiting early or during the week is recommended to avoid crowds. You can find more details about this highlight here: Lake Cauma.
Yes, the region features lakes with unique hydrological systems. Lake Prau Tuleritg, for example, dries up by late summer due to underground seepage and refills annually with snowmelt. Similarly, Lag Prau Pulté has no surface inflow, draining in the fall and refilling in spring via an underground inflow, eventually feeding Lag Prau Tuleritg. These offer serene landscapes for quiet contemplation.
Many lakes offer family-friendly activities. Lake Cauma is particularly well-suited for families with its paddling pool and play area. The nearby Rhine Gorge, while not a lake, also offers family-friendly hiking and biking opportunities. When exploring, always check specific lake regulations regarding swimming or access.
Absolutely. The area around Ilanz is excellent for hiking with scenic lake views. For instance, you can find a fantastic vantage point for Lake Cauma at the 'mountain station' of the small train, offering stunning views of its turquoise waters from above. You can explore this viewpoint here: Panoramic view of Lake Cauma. The Rhine Gorge also provides impressive hiking trails with dramatic cliff views.
The best time to visit depends on your desired activity. For swimming and enjoying the vibrant colors of lakes like Cauma and Cresta, late spring to early autumn (May to September) is ideal. If you're interested in the unique hydrological cycles of lakes like Prau Tuleritg and Prau Pulté, early summer (May-July) is when they are typically full. Winter offers a tranquil experience, especially at Lake Cauma, which becomes a haven of calm.
Yes, Lag da Pigniu Dam is a notable example. This significant dam wall, built between 1980 and 1990, once featured a large painting depicting the Russian army's crossing of the Panixer Pass in 1799. While the painting has faded, the dam itself is an impressive structure and the lake offers a barbecue area at its end.
Yes, several lakes have amenities. Lake Cauma has a restaurant with a terrace, and Lake Cresta also boasts a restaurant. For broader options, the town of Ilanz serves as an excellent base, offering various cafes, pubs, and accommodation choices. It's advisable to check specific opening hours and availability, especially during off-peak seasons.
The region around Ilanz offers diverse cycling opportunities. You can find numerous road cycling routes, such as the 'Tour de Obersaxen' or loops around Valendas. For mountain biking, trails like the 'Rhine Gorge Mountain Bike: Cuolm Sura' or routes around Lag da Pigniu Dam are available. For detailed routes, refer to the Road Cycling Routes around Ilanz and MTB Trails around Ilanz guides.
Yes, there are options for easy walks. Lake Cresta is accessible via a stroller-friendly hiking trail from Trin Mulin, making it suitable for relaxed strolls. The general area around Ilanz also features easy hiking routes, such as the 'Siat Village – View of the Surselva Mountains loop'. You can find more hiking options in the Hiking around Ilanz guide.
No, swimming is not permitted in all lakes. While Lake Cauma and Lake Cresta are popular for swimming, other lakes like Lake Bischol are protected nature areas where swimming is prohibited. Lake Prau Tuleritg also does not allow swimming due to difficult access and its unique hydrological nature. Always check local regulations before entering the water.
Accessibility varies by lake. Lake Cauma is accessible via a funicular, and parking is available nearby, though it can get crowded. Lake Cresta is accessible on foot via a hiking trail. For other lakes, public transport options to nearby villages exist, and parking facilities may be available at trailheads. It's recommended to research specific lake access points and transport links in advance.
While specific regulations for each lake regarding dogs can vary, many hiking trails in the Surselva region are dog-friendly. It's generally advisable to keep dogs on a leash, especially in nature protection areas or around livestock. Always ensure to clean up after your pet. Check local signage at each lake for specific rules.
The Rhine Gorge, often called the 'Grand Canyon of Switzerland', is a spectacular natural attraction located just a few kilometers from Ilanz. While not a lake, its impressive 350-meter-high white cliff walls and turquoise river offer similar natural beauty and outdoor activities like hiking, biking, and river rafting. It's a significant natural landmark in the same region as many of the lakes.


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