Do you dream of a refreshing swim in an exceptional setting, with Mont-Blanc as a backdrop? Welcome to the biotope lake of Combloux, the first ecological body of water open to swimming in France.


With its naturally filtered water and warmed by the rays of the sun, it will offer you an unforgettable experience in the mountains!

It is strongly recommended to reserve your place, especially in high season.

Presentation of our natural swimming pool facing Mont-Blanc

Located in the immediate vicinity of the center of the village, the biotope lake of Combloux offers a picturesque setting with a 360° panoramic view of the most beautiful peaks of the Alps.

Take advantage of this innovative oasis of freshness to relax and recharge your batteries in harmony with alpine nature. Immerse yourself in its 1900m² of pool where more than 10 aquatic plants guarantee water of exceptional quality.

In order to preserve the natural balances and the ecosystem of the biotope as well as for health reasons, we have set up a limiting the number of daily visitors.

The biotope lake of Combloux offers a one-of-a-kind experience, whether you are a fan of sports swimming or just looking for a place for you loosen in family.

Located facing the majestic Mont-Blanc, this oasis of tranquility offers you the opportunity to swim in a pure and crystalline water while admiring the beauty of the surrounding nature.


The biotope lake of Combloux, an unforgettable experience in the heart of the Alps

What you will love at the Combloux biotope lake

To offer you optimal comfort, our natural swimming pool has a variety of carefully designed facilities to meet everyone's expectations:

  • An opening from mid-June to mid-September 2024
  • Picnic on your towel facing Mont Blanc
  • Freedom to go in and out throughout the day (a wristband will be given to you at checkout)
  • A pure bathing water, without chemical treatment and naturally heated by the sun's rays to a temperature of 19 ° C to 26 ° C.
  • 4 swimming lanes sport of 50 m each
  • Un Sandbox for young children
  • Access to the gently sloping pools, ideal for the little ones
  • A possibility of online booking to make sure you have a place
  • A brushed concrete solarium with seat
  • A grassy beach
  • A pontoon around the basin, to admire the aquatic fauna and flora up close, while enjoying a privileged perspective on this ecosystem.
Marine Martin – OT Combloux

The biotope lake is a peaceful place, conducive to relaxation alone, with friends or family. Here everything is thought out so that you make the most of your day of swimming!

Soren Rickards
Restaurant le Dandy terrace with the biotope lake in the background

The services offered at the biotope lake

  • Swimming, aquabike and aquagym lessons: information and registration at the reception of the biotope lake and with the lifeguards
  • Rental of parasols and deckchairs on site (subject to availability)
  • 80 umbrella sleeves installed on the beach
  • WC and changing rooms with changing table
  • Possibility of reheating baby food
  • Distributor of swimsuits
  • Group reception by reservation
  • PMR accessibility in the pool and adapted devices within the enclosure of the body of water: WC, grab bar and circulation space. Seahorse available.
  • Bar-restaurant with a terrace overlooking the lake, welcomes you throughout the summer season.


The biotope lake of Combloux: all the practical information

The commandments of the good bather

It is essential that swimmers respect certain rules of good conduct, in order to:

  • preserve the natural balance and biodiversity of the biotope,
  • ensure pure and clear bathing water.
logo bathing shorts prohibited - command bather biotope combloux
mandatory shower logo - biotope combloux bather command
organic sunscreen logo - biotope combloux swimmer command

Rates for our heavenly bathing site facing Mont-Blanc

Where can I buy my entry for the biotope lake?

  • Online Within the limit of available seats
  • 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 

The number of daily entries to the biotope body of water being limited, advance booking is strongly recommended.

Amounts of entries and subscriptions to the biotope water body

From 16 p.m. (if the body of water is not full): entry at €4 for adults and €3 for children.

Prices of other services available at the natural swimming pool

Other ratesSummer 2024
Deckchair or parasol rental *:€5 each
Parasol + deckchair rental pack *8 €
Water line rental25 € / hour / line
Group swimming lesson (30 minutes) **9 € for children
€12 for adults
Private lesson with lifeguard (on reservation)20 € for 1 person
15 € / person for 2-3 people of the same level
Aquagym lessons (by reservation)8 € per person
Discovery animation: Captain biotope #10 € per person
Discovery animation: Discovering the biotope #10 € per person
*For any rental of equipment, a deposit of 20 € will be required. In the limit of the available stock. **Access to the biotope lake after the lesson not included. #Admission included

Free for group leaders (holiday centres, leisure centres, daycare centres, schools):

  • 1 adult for 5 children under 6 years old
  • 1 adult for 8 children from 6 to 16 years old
  • 1 guide for 2 people with disabilities

How to access the Combloux biotope water body?

Ideally located between Megève and Sallanches and just a few minutes from Saint-Gervais-les-Bains, swimming in the Combloux biotope is an essential activity during your summer stay in Haute-Savoie.

Access to the biotope

  • Dogs are not allowed within the enclosure of the body of water.
  • Only swim trunks and swim boxers are allowed. Swimming trunks and shorts are prohibited.
  • Tickets purchased in advance cannot be refunded or exchanged.
  • Tickets do not need to be printed.
  • Evacuation of the pool 15 minutes before closing.

Where to park nearby?

  • Parking of the Crystals
  • Field next to the biotope (follow the Restaurant Parking signs)

Entertainment and leisure near the biotope lake of Combloux

This summer, vary the pleasures at the water's edge!

In addition to swimming in pure, clear water, you will find near the biotope lake of Combloux, enough to indulge in a whole host of entertaining activities. The lake park is in fact fitted out to accommodate, during the hot season, a wide range of leisure activities and events aimed at young and old.

Take a swimming lesson at the biotope lake

Enjoy the joys of swimming in pure, crystalline water, facing Mont-Blanc.

The Combloux biotope lake offers a ideal to learn to swim or perfect your technique.

Our qualified instructors are there to help you achieve your goals. They will be able to adapt their lessons to your level and guide you step by step in your learning.

Whether you are looking to learn the basics or are an experienced swimmer, our swimming lessons – individual or group – are designed to meet all aspirations.

Our selection of activities near the lake biotope

Are you looking for a sporting activity to have fun near the biotope of Combloux?

Discover without further delay the leisure activities offered near this remarkable site, throughout thesummer ! From aquabike to swimming, via aquagym, yoga, pilates: there is a water sport for each member of the family and for every desire!


The next events at the Combloux biotope lake

To end the day in style, let yourself be enchanted by one of the many convivial events (barbecues, concerts, etc.) that take place near our natural swimming pool.

Do not miss any more summer outings in Combloux: find here our selection of upcoming activities around the biotope lake.


Eat near the biotope

Overlooking the biotope, the restaurant To the experience is ideally located for a gourmet break between two swims or simply to refresh yourself during the day or enjoy the sunset.

Open. Closes at 21:00 p.m.
Biological Swimming Lake 1 Prairie Road
74920 Combloux
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Frequently asked questions about the biotope lake of Combloux

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 is open until September 15, 2024.

What are the opening hours of the Combloux biotope lake?

From June 8 to July 5, 2024:

  • Tuesday, Thursday, Friday: 16:00 p.m. to 20:00 p.m.
  • Wednesday and weekend: 10:30 a.m. to 19:00 p.m.

In high season (from July 06 to September 01):

  • Every day: 10:30 a.m. to 19:00 p.m.
  • Late nights on Tuesdays until 20:30 p.m.

From September 2 to September 15, 2024:

  • Tuesday, Thursday: 12:00 p.m. to 14:00 p.m.
  • Wednesday and weekend: 10:30 a.m. to 17:00 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.


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