Caumasee, also called Lake Cauma, is a turquoise mountain lake in the Flims forest in Graubünden, Switzerland. It is one of the best-known natural sights around Flims and a popular summer stop for swimming, sunbathing, walking, pedal boating, and stand-up paddleboarding. The setting feels remote, but the lake is easy to reach from Flims Waldhaus.
Quick Answer
For a 2026 Caumasee visit, use the Flims Waldhaus Caumasee bus stop or paid parking in Flims Waldhaus, then walk through the forest or use the free lift when operating. Summer bathing facilities are normally open daily from 8:30 a.m. to 5:00 p.m., with visitor entry priced at CHF 18 for adults and CHF 9 for children up to age 16.
Key Takeaways
- Caumasee is near Flims and is known for turquoise water, forest scenery, and a small wooded island.
- In the 2026 summer season, the public bathing facility is normally open from 8:30 a.m. to 5:00 p.m., but weather can cause short-notice changes.
- Official activities include swimming, pedal boats, stand-up paddleboards, beach volleyball, sunbathing, and a children’s play area.
- A fire and barbecue ban applies throughout the Caumasee area, and drones are prohibited.
- Dogs are not allowed in the public bathing area, but leashed dogs may accompany you to the restaurant, and dogs may enter the water on the opposite shore outside the bathing area.
At a Glance
| Time Required | About 2 to 5 hours for a relaxed lake visit; longer if you add a hike to Conn or the Rhine Gorge viewpoint. |
| Difficulty | Easy for a basic lake visit. The approach from Flims Waldhaus follows a forest route, and the free lift can reduce the descent when it is operating. |
| Tools Needed | Comfortable shoes, weather protection, drinking water, and swimwear if you plan to use the bathing area. |
| Cost | 2026 visitor single entry to Bogn La Cauma: CHF 18 adults and CHF 9 for children up to age 16. Local and Guestcard rates differ. |
How to Get to Caumasee
Caumasee sits below Flims Waldhaus in the Flims forest. The most useful public-transport stop is Flims Waldhaus Caumasee. According to the official destination page, it is about a 15-minute walk from the stop to the Caumasee lift. If you continue on foot instead of using the lift, allow roughly another 15 minutes on the forest path to reach the lake.
If you travel by car, use the paid parking spaces in Flims Waldhaus. The official guidance says the walk from the parking area to the lift takes about 10 minutes. If those spaces are full, alternatives include the Stenna underground car park and parking by the event hall in Flims Dorf.
The free Caumasee lift covers about 80 metres of elevation and usually operates when the lakeside restaurants are open. The path from Flims Waldhaus is also described by the destination as suitable for strollers and wheelchairs. Because operating schedules can change, check the official Lake Cauma page before depending on the lift.
Note: As of August 17, 2026, the official Lake Cauma page carries a notice that the Caumasee lift will be temporarily out of service from September 2 for renovation work. Check the official page for the latest operating status if you are visiting on or after that date.
2026 Opening Hours and Entrance Fees
The public bathing facility, Bogn La Cauma, begins its bathing season in early summer. During the 2026 summer season, the official site lists daily opening hours of 8:30 a.m. to 5:00 p.m. Uncertain weather can cause short-notice changes, and there is no lifeguard service outside the bathing facility’s opening hours.
| 2026 single entry | Price |
| Visitors, adults | CHF 18 |
| Visitors, children up to age 16 | CHF 9 |
| Flims/Laax/Falera locals or Guestcard holders | CHF 9; children up to age 16 free |
Tickets are available through the LAAX app and the official online ticket shop. Buying ahead can help you avoid the entrance queue on busy days. If you only want to visit Ustria La Cauma, its access is outside the public bathing area, so no bathing ticket is required.
Pro Tip: Check the official opening status before leaving Flims when the weather looks uncertain. The lake-bath team also publishes a contact number on the official destination page for same-day opening information.
Exploring the Lake and Surrounding Area
Caumasee is surrounded by forest on three sides and has a small wooded island in the lake. The official destination describes its summer water temperature as roughly 17 to 24 degrees Celsius. The bright turquoise-green color, shaded forest, and mountain setting make the shoreline a scenic place for walking, photography, and a quiet break.
You can combine a lake visit with an easy forest walk. The Graubünden Tourism route from Flims to Caumasee is listed as an easy route of about 0.9 km, with a descent of roughly 104 metres. If you want a longer outing, continue through the Flims forest toward Conn and the Il Spir viewpoint over the Rhine Gorge.
Activities to Enjoy at Caumasee
| Activity | Description |
|---|---|
| Swimming | Swim in the designated bathing area during the summer season and follow lifeguard instructions when supervision is available. |
| Picnicking | Bring ready-to-eat food for a lakeside break, but do not light a fire or barbecue anywhere in the Caumasee area. |
| Hiking | Use the forest paths around Flims and continue toward Conn or the Rhine Gorge for a longer walk. |
| Paddleboarding | Stand-up paddleboarding is one of the activities listed by the official destination. |
| Pedal Boats | Use a pedalo to explore more of the lake from the water. |
On warm summer days, swimming and sunbathing are the main attractions. You can also use pedal boats, try stand-up paddleboarding, play beach volleyball, or relax while children use the sandbox and play area. These are all activities currently listed by the official Caumasee visitor information.
Caumasee’s summer water temperature is typically listed at about 17 to 24°C, one reason the lake is such a popular warm-weather stop in Flims.
If you want more activity, extend your walk or bike ride through the Flims forest. In winter, the lake remains a scenic destination, while skiing and snowboarding belong to the wider Flims Laax resort area rather than the lake itself.
Wildlife and Nature at Caumasee
The forest around Caumasee creates a quiet habitat for birds and other wildlife, but sightings vary by season and time of day. Instead of expecting particular species, watch and listen from the marked paths, give animals space, and avoid disturbing vegetation or shoreline areas.
The lake’s color, forest cover, and changing light are often more dependable photography subjects than wildlife. Early or late in the day can produce softer light, while clouds can quickly change the appearance of the water and surrounding forest.
Facilities and Amenities at Caumasee
Confirmed facilities at Caumasee include changing rooms, the serviced Ustria La Cauma restaurant, the seasonal Terrassa La Cauma self-service restaurant, a summer kiosk, a beach-volleyball court, a sandbox, and a children’s play area. Ustria La Cauma can be visited without buying a bathing-area ticket because its entrance is outside Bogn La Cauma.
During the summer season, Terrassa La Cauma is scheduled to open from 8:30 a.m. when weather allows. The official site says people who are not entering Bogn La Cauma can access Terrassa with a CHF 5 ticket that also works as a CHF 5 consumption voucher when used within 90 minutes.
If you prefer to bring your own food, keep it simple and pack out your rubbish. If you want a picnic idea from this site, this homemade cottage cheese recipe can be prepared before your trip and carried in a properly chilled container.
Rules and Safety at Caumasee
Warning: Fires and barbecues are prohibited throughout the Caumasee area. Drones and other flying models are also prohibited. Outside the bathing facility’s opening hours, no lifeguard service is guaranteed.
The current official rules also ask visitors to avoid loud, disturbing music and prohibit nude bathing and foil-surfing boards. Dogs are not allowed inside the public bathing area. A leashed dog may accompany you to the restaurant, and dogs may enter the water on the opposite side of the shore outside the bathing area.
Follow any additional signs and instructions posted at the bathing area during your visit, as operating conditions and on-site rules can change.
Tips for Visiting Caumasee
Check both the weather and the official lake status before leaving. Mountain weather can change quickly, and the bathing facility can adjust opening hours at short notice. Dress in layers, carry sun and rain protection, and wear shoes that are comfortable on forest paths.
If swimming is part of your plan, bring swimwear and a towel. The public bathing area has changing rooms, but supervision is linked to operating hours. Families using a stroller, and visitors who use a wheelchair, can follow the route identified by the destination as accessible and use the lift when it is operating.
For a quieter experience, avoid building your schedule around a single short visit window. Give yourself enough time to walk down, enjoy the lake, and return without rushing, especially if the lift is unavailable.
Best Time to Visit Caumasee
Summer is the main season if you want to swim or use the managed bathing facilities. The official 2026 bathing season begins in early summer, with normal summer opening hours of 8:30 a.m. to 5:00 p.m. Weather can change the daily schedule, so there is no safe reason to rely on the older claim that the bathing facility is always open from early May through late October.
Outside the bathing season, the forest and lake can still be worth visiting for scenery and walking, but services and lift operation may differ. The serviced Ustria La Cauma restaurant is described by the destination as operating year-round, subject to its own schedule.
Nearby Attractions and Accommodations
Flims is the natural base for a Caumasee visit, with hotels, holiday apartments, restaurants, shops, and connections to the wider Flims Laax Falera area. Staying nearby makes it easier to start early, adapt to weather, or combine the lake with a longer forest walk.
One of the best nearby additions is the Rhine Gorge, or Ruinaulta. Switzerland Tourism describes a route from Flims Waldhaus past Caumasee to the Il Spir viewing platform, where you can look down into the Rhine Gorge. For a round trip from Flims Waldhaus, it recommends allowing about two hours.
You can also continue through the forest toward Conn or plan a longer route that links Caumasee with other lakes and viewpoints in the region. Choose the route based on weather, daylight, footwear, and the ability of everyone in your group.
Caumasee is more than a photo stop. With accurate 2026 information, it can be an easy half-day outing for swimming and relaxation or the starting point for a longer forest and Rhine Gorge walk. Plan around the current bathing hours, access status, and lake rules, then leave enough time to enjoy the setting without rushing.
Frequently Asked Questions
What is Caumasee?
Caumasee, also called Lake Cauma, is a turquoise lake in the Flims forest in Graubünden, Switzerland. The Romansh name is Lag la Cauma. It is known for swimming, sunbathing, forest walks, pedal boats, and stand-up paddleboarding.
How do I get to Caumasee?
Use the Flims Waldhaus Caumasee bus stop or paid parking in Flims Waldhaus. From the bus stop, allow about 15 minutes to walk to the lift. You can then use the free lift when it is operating or continue on the forest path to the lake.
What are the 2026 opening hours and entrance fees for Caumasee?
During the 2026 summer season, Bogn La Cauma is normally open daily from 8:30 a.m. to 5:00 p.m., with weather-related changes possible. Visitor single entry is CHF 18 for adults and CHF 9 for children up to age 16. Local and Guestcard rates are lower.
What activities can I do at Caumasee?
Officially listed summer activities include swimming, sunbathing, pedal boats, stand-up paddleboarding, beach volleyball, and using the children’s sandbox and play area. Forest walking and biking routes also pass through the area.
Can I bring a dog to Caumasee?
Dogs are not allowed inside the public bathing area. A dog may accompany you to the restaurant when kept on a lead. On the opposite shore outside the bathing area, dogs are allowed to enter the water.
Can I barbecue or fly a drone at Caumasee?
No. The official rules prohibit fires and barbecues throughout the Caumasee area and also prohibit drones, multicopters, and other flying models.
Is Caumasee accessible with a stroller or wheelchair?
The official destination states that the approach from Flims Waldhaus is suitable for strollers and wheelchairs. The free Caumasee lift can reduce the approximately 80-metre descent when it is operating.
Sources
- Flims Laax Falera: Lake Cauma – 2026 opening hours, prices, activities, facilities, rules, lift, parking, and public-transport access.
- Graubünden Tourism: Caumasee – destination description, public transport, driving, and parking information.
- Graubünden Tourism: Flims to Caumasee – route length, walking time, elevation, and stroller-friendly access.
- Switzerland Tourism: Rhine Gorge – the route from Flims Waldhaus via Caumasee to the Il Spir viewpoint.
