Are you dreaming of a refreshing swim in an exceptional setting, with Mont Blanc as a backdrop? Welcome to the Combloux biotope lake, the first ecological body of water open for swimming in France. With its naturally filtered water, it will offer you an unforgettable experience in the mountains!
Opening dates of the biotope water body
The 14 7 September 2025 June
The Combloux biotope lake, a natural interlude in the heart of the Alps
Just a stone's throw from the village, the biotope lake of Combloux offers you a unique swim facing Mont Blanc. Its 1900 m² pool, naturally filtered by more than 10 aquatic plants, promises pure water, without chemical treatment. To preserve this balance, access is limited to 000 visitors per day. Discover below in pictures 5 good reasons to come to the Combloux biotope lake.
The little extras of the biotope body of water
- Swim 4 lanes of 50 m
- Enjoy the sandpit and the gently sloping access, perfect for little ones
- Relax on the solarium or the grassy beach
- Observe the aquatic flora and fauna from the pontoon that goes around the basin
Many people wouldn't be able to resist a refreshing break in a spot like this... So be smart and think about book online to be sure to enjoy the place when you arrive!
Want to know more ? A little further down this page you will find all the rest of the essential information. on our biotope lake: services, activities, timetables, prices… everything you need to plan your day!
The essentials of the biotope body of water
To get moving:
- Swimming, aquagym, aquacardio, yoga…we have what you need for a swim full of vitality! Head to the lake reception or our lifeguards for more information.
If you want to relax instead:
- 80 parasol sleeves installed on the grassy beach to create its perfect location
- Did you forget yours or were you already loaded down with enough as it was? You can rent not only a parasol but also deckchairs on site (but be careful, it's subject to availability!)
- Fancy a gourmet break? Enjoy a drink or a meal at the bar-restaurant To the experience, with a beautiful terrace overlooking the lake. If you're just feeling peckish, a snack bar offers a variety of sweet and savory treats!
- Disabled? No stress: the pool is accessible to people with reduced mobility and the facilities are adapted within the water area: toilet, grab bar and circulation space. Motorized seat for entering the water (very gently!) available.
We are thinking of our little vacationers:
- Baby is hungry? No worries, you can heat up your meal on site.
- WC and changing rooms with changing table for the little ones, for men and women.
Are you coming in large numbers?
- It is possible to come in a group by reservation.
Forgot your swimsuit?
Oops… the jersey stayed at home or is it not compliant? Don’t worry, there is a distributor on site. Why one type of jersey and not another? We’ll tell you more in the golden rules of the good swimmer.
Practical information on the biotope body of water
The golden rules of the good swimmer
It's summer, we want to forget everything and enjoy ourselves to the fullest... but to preserve this unique place, a few small rules are necessary! The fauna and flora of the biotope do an impressive job of keeping the water as pure as spring water, but this fragile balance needs a few precautions, so we are counting on you to respect these instructions:
- Our canine friends are unfortunately not allowed within the grounds of the lake.
- Tickets do not need to be printed, but tickets purchased in advance cannot be refunded or exchanged, even in the event of bad weather!
- The pool is evacuated 15 minutes before closing time.
Opening hours of the Combloux biotope lake
Entrance fees to the Combloux biotope lake
| Pricing | Min. | Max. |
|---|---|---|
| Adult |
6 € | Not disclosed |
| Kids |
5 € | Not disclosed |
| Family package |
60 € | Not disclosed |
| Adult season ticket |
60 € | Not disclosed |
| Child subscription |
50 € | Not disclosed |
| Deckchair rental |
5 € | Not disclosed |
| Umbrella rental |
5 € | Not disclosed |
| Adult |
7 € | Not disclosed |
| Kids |
5,50 € | Not disclosed |
| Family package |
60 € | Not disclosed |
| Adult season ticket |
60 € | Not disclosed |
| Child subscription |
50 € | Not disclosed |
| Deckchair rental |
5 € | Not disclosed |
| Umbrella rental |
5 € | Not disclosed |
| Adult |
6 € | Not disclosed |
| Kids |
5 € | Not disclosed |
| Family package |
60 € | Not disclosed |
| Adult season ticket |
60 € | Not disclosed |
| Child subscription |
50 € | Not disclosed |
| Deckchair rental |
5 € | Not disclosed |
| Umbrella rental |
5 € | Not disclosed |
Biotope water body maps, to make the most of it
| Cards | Price |
|---|---|
| Family Card 12 entries | €60 |
| Adult season card | €60 |
| Children's season card | €50 |
Coming to the biotope lake of Combloux
Did you know? The Combloux biotope lake is ideally located between Sallanches and Megève and just a few minutes from Saint-Gervais-les-Bains!
Where to park nearby?
- Parking of the Crystals
- Field next to the biotope (follow the Restaurant Parking signs)
Discover the Alexperience restaurant
Chef Alexandre Brasset and his team offer you a home-cooked bistro cuisine, full of flavors, based on fresh and seasonal products. Just a little hungry? Enjoy the snack bar reserved for customers of the lake!
Not clear? Let's recap!
What clothing is required for swimming?
Only swimming trunks and boxers are allowed.
Swimming trunks and shorts are not allowed.
Can I get a refund for my ticket purchased online?
Tickets purchased in advance are neither exchangeable nor refundable.
Can I come to the biotope lake with a person with a disability?
Yes, the biotope lake of Combloux is suitable for welcoming people with disabilities. Our site is equipped with a launching wheelchair to facilitate access to swimming.
Where can I buy my ticket?
- Online within the limit of available places
- At the Tourist Office: until 10 a.m. for D-Day (while stocks last)
- At the cash desk of the biotope lake: from 10:30 a.m. on D-Day, if there are places left
What are the opening dates for the upcoming season?
This summer, the body of water opens its doors from June 14 to September 7, 2025.
What are the opening hours of the Combloux biotope lake?
Low season :
From June 14 to July 4, 2025:
- Saturday and Sunday: 10:30 a.m. to 19:00 p.m.
- Tuesdays June 24 and July 1: 16:00 p.m. to 20:00 p.m.
- Fridays June 27 and July 4: 16:00 p.m. to 20:00 p.m.
From September 1 to September 7, 2025:
- Wednesday and weekend: 10:30 a.m. to 17:00 p.m.
In high season (from July 05 to August 31, 2025):
- Every day: 10:30 a.m. to 19:00 p.m.
- Late nights on Tuesdays until 20:00 p.m.
What is the temperature of the water?
The water temperature varies between 19°C and 26°C. Find the water temperature in real time on our LIVE section, during opening periods.
Take a swimming lesson at the biotope lake
Come and discover the Combloux biotope lake and enjoy an exceptional setting for your swimming lessons, facing Mont Blanc!
We offer group lessons for children from 5 years old, weekly courses (45€ for 5 sessions of 30 minutes, entry included) as well as private lessons. If you are an adult, private lessons are also available to help you progress at your own pace. Our instructors are there to guide you and adapt to your level
| Pricing | Min. | Max. |
|---|---|---|
| Adult |
25 € | Not disclosed |
| Kids |
9 € | Not disclosed |
Other sporting activities
| Activity | Dates | Schedule | Pricing |
|---|---|---|---|
| Aquafit | Every Wednesday | 19 a.m. to 19 p.m. | €10 per person |
| Aquacardio | Every Monday | 19 a.m. to 19 p.m. | €10 per person |
| Hatha Yoga (gentle) | Every Monday | from 8:45 PM to 9PM. | 15€ per person* |
| Hatha Yoga (dynamic) | Every Thursday | from 8:45 PM to 9PM. | 15€ per person* |
| Hatha Yoga parent-child | Every Tuesday | 9 a.m. to 9 p.m. | 15€ per pair* |
Information and registration at the biotope lake reception.
All activities at the biotope lake and nearby
All the activities and events at the biotope lake and nearby
Eat near the biotope
If the restaurant To the experience offers a breathtaking view of the lake, other tables in the village, just a 10-minute walk away, also await you to vary the pleasures.
Accommodation close to the biotope
The most beautiful walks nearby
After your swimming moment, continue your day with a walk! Several routes are offered nearby. For the more adventurous, why not end your walk or hike with a thirst-quenching and invigorating bath?
