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France
Occitania

Tarn

Top 11 Lakes in Tarn

Best lakes in Tarn offer diverse natural beauty and recreational opportunities within the Occitanie region of France. The department features a varied landscape, from the historic Montagne Noire to the tranquil Lacaune mountains. Many lakes in Tarn are integral to the region's history, including those connected to the UNESCO-listed Canal du Midi. These bodies of water provide settings for outdoor activities and natural exploration.

Best lakes in Tarn

  • The most popular lake is Gravette Dam, a lake known for…

Last updated: May 1, 2026

Lac de Saint-Ferréol

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Lac Ferréol feeds the Canal du Midi. The last, steep ascent to the reservoir is a main road and very steep, so you have to push the bike most of …

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La Raviège Dam

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The Lac de la Raviège is an artificial lake of 438 hectares and 12 kilometers long.
In the middle of a forest of beeches and firs, the Lac de la …

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Lac du Merle

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Small lake covered with hundreds of water lilies! Not enough water and too much mud to make it a swimming lake but it's a bird's paradise.

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Lac des Montagnès

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Lac des Montagnès, with its path around the lake, offers a real haven of peace in the heart of the Montagne Noire for walkers or sports enthusiasts in Mazamet.

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Gravette Dam

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Each lake of the Montagne Noire has its "personality: that of the Cammazes and all in length and depth.

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Saints-Peyres Lake

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Lac des Saints-Peyres is a reservoir filled with water in 1935 following the construction of a 60m high gravity dam. Many trails allow you to enjoy nature along the banks.

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Lac des Cammazes

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Superb lake which can be explored on foot or by bike (hybrid bike, mountain bike, gravel). Also the start of many hiking and biking tours. Possibility to park before the dam.

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Lac du Laouzas

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Located at an altitude of 800 meters in the heart of the Lacaune mountains, this pretty little lake is in the center of a wooded environment. For hiking enthusiasts, a …

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Cap Découverte - Titans Park

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Leisure area on the site of an old mine freely accessible with many paths. We discover a lake, a skatepark, a small refreshment bar and the impressive Titans Park made …

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View of the Château de Grandval

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View of the ruins of Grandval castle on the Dadou. Abandoned, the castle was swallowed up by the construction of the Razisse dam... It is more or less uncovered depending on the floods.

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Popular around Tarn

GR 36 long-distance footpath – Cross France from the Channel to the Pyrenees

Hexatrek – The Cévennes to the Pyrenees between gorges and limestone plateau

Born to Ride 2020

Loops between Toulouse and Mazamet – the special liO bike train

GR 46 — The Truant School

The most beautiful bike rides in Occitanie

On the way to Compostela – Via Tolosana (Arles Way)

Loop of the bastides and the Gaillac vineyard – tastings and mountain biking

Under the sun of the Midi — La Véloccitanie

Plains, hills and mountains – GR 7 in the heart of France’s Occitania

Other adventures in Tarn

GR 36 long-distance footpath – Cross France from the Channel to the Pyrenees

Hiking Collection by

Adélaïde de Valence

Tips from the Community

Hugo Ruz
September 20, 2025, Lac du Merle

A natural curiosity among others in the granite massif of Sidobre

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The lake region, the Black Mountain, an unmissable playground

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jeanjean
July 8, 2025, Lac du Merle

superb hike 🚶‍♀️🚶‍♂️all in the undergrowth, total freedom halfway, place to rest, eat and play for children and animals, not to mention the rocks of the sidobre. 👍

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Nico P
June 18, 2025, Lac du Merle

Lake Merle is a very beautiful stretch of water where it is good to stop for a shaded picnic.

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Raphael
December 3, 2024, Lac des Montagnès

Beautiful lake with swimming opportunities.

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Superb and impressive, one of the 6 (main) lakes of the Montagne Noire, do not miss following the forest track which runs along its right bank.

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Luigi1957
September 13, 2024, Lac du Laouzas

Beautiful view of the lake

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Frequently Asked Questions

Which lakes in Tarn are best for family-friendly activities?

Several lakes in Tarn are ideal for families. Lac des Montagnès near Mazamet offers a sandy beach with supervised swimming, mini-golf, and a sports trail. Lac du Laouzas provides supervised swimming, a leisure center with mini-golf, volleyball, and horse riding. Lac de Saint-Ferréol also features supervised swimming and picnic areas, while Lac du Merle is another great family-friendly option.

What kind of water sports can I do at the lakes in Tarn?

The lakes in Tarn offer a wide range of water sports. At Lac de Saint-Ferréol, you can enjoy windsurfing, swimming, pedal boating, canoeing, paddleboarding, and sailing. Lac du Laouzas is perfect for sailing, canoeing, pedal boating, and paddle boarding. Lac de la Raviège, the largest lake in Haut-Languedoc, has a nautical base offering stand-up paddling, sailing, pedal boats, water skiing, and kayaks. Lac des Montagnès also provides opportunities for swimming and pedal boating.

Are there hiking or cycling trails around the lakes in Tarn?

Yes, many lakes in Tarn feature excellent trails. Lac des Montagnès has a 2.7 km path suitable for walking and sports, and is part of the longer GR7 hiking route. Around Lac du Laouzas, a 21-kilometer trail circles the lake, ideal for hiking and cycling. Lac de Saint-Ferréol offers a 4.5 km trail for walking, cycling, and roller skating. For more extensive options, you can find various hiking routes in the region, such as the 'Lac des Cammazes Loop' near Lac des Cammazes, or cycling tours like the 'Tour of lac du Laouzas' in the Haut-Languedoc Regional Natural Park. Explore more options on the Hiking in Tarn and Cycling in Tarn guide pages.

Which lakes have historical significance in Tarn?

Lac de Saint-Ferréol is historically significant, dating back to 1667. It was engineered by Pierre-Paul Riquet to supply water to the UNESCO World Heritage site, the Canal du Midi, and features a 17th-century dike. The Gravette Dam is also part of the Montagne Noire lakes, reflecting the engineering work around the Canal du Midi. Additionally, La Raviège Dam created the large Lac de la Raviège in the 1950s, submerging a hamlet.

Are there accessible lakes for visitors with reduced mobility?

Lac des Montagnès is noted for its accessibility, featuring an adapted fishing pontoon and beach access, making it a good option for visitors with reduced mobility.

What is the best time to visit the lakes in Tarn?

The summer months (July and August) are particularly popular for visiting the lakes in Tarn, as many offer supervised swimming and a full range of water sports and leisure activities. The climate around lakes like Lac de la Raviège is cooler and wetter than coastal areas, making it pleasant during warmer periods. Spring and autumn are also excellent for hiking and cycling around the lakes, enjoying the natural beauty without the summer crowds.

Can I go fishing at the lakes in Tarn?

Yes, fishing is a popular activity at many lakes in Tarn. Lac de Saint-Ferréol is known for zander, perch, and carp. Lac des Montagnès offers trout, carp, roach, chub, gudgeon, and perch. Fishing is also popular at Lac du Laouzas and Lac de la Raviège. Lac de la Balerme is specifically reserved for fishing, with species like roach, zander, and carp.

Are there any quiet or 'hidden gem' lakes in Tarn?

While many lakes are popular, Lac Albine (also known as Lac Lestap) is favored by locals for its unspoiled and peaceful atmosphere, lacking lifeguards or extensive facilities, which contributes to its tranquil charm. Saints-Peyres Lake, located in the Haut Languedoc Regional Nature Park, also offers a natural beauty reminiscent of Canadian lakes, providing a serene experience.

What natural features can I expect to see around the lakes?

The lakes in Tarn are set amidst diverse natural landscapes. You'll find pine forests around Lac de Saint-Ferréol, lush vegetation and dense forests surrounding Lac des Montagnès, and a green, wooded environment at Lac du Laouzas in the Lacaune mountains. Lac de la Raviège is encircled by forests of beech and fir, offering a tranquil setting. Many lakes also feature sandy beaches and scenic viewpoints.

Are there any lakes where motorboats are restricted to ensure a peaceful environment?

Yes, Lac du Laouzas is known for its peaceful, Canadian-like atmosphere, as motorboats and jet skis are not allowed, ensuring a quiet environment for visitors.

What do visitors enjoy most about the lakes in Tarn?

Visitors frequently praise the serene and beautiful settings of the lakes. For instance, Lac des Montagnès is described as a 'true haven of peace' for walkers and sports enthusiasts. The 'Canadian atmosphere' of Lac du Laouzas is also a highlight. Many appreciate the diverse activities available, from swimming and water sports to hiking and cycling, making them perfect for relaxation and outdoor adventure.

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

Hautes-PyrénéesPradesBagnères-De-BigorrePyrénées-OrientalesArgelès-GazostHéraultHaute-GaronneLodèveAudeNarbonneAriègeMontpellierFoixSaint-GaudensBéziersPerpignanNimesGardLozèreCarcassonneSaint-GironsAveyronGersMendeCastresToulouseRodezLotMirandeAlbiCondom

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