Let us be clear from the start: lakes and ponds for sale in Haute-Garonne are rare, because the department has never been pond country. Its water bodies are first and foremost engineering works: the Saint-Ferréol reservoir, shared with Tarn and Aude and built in the 17th century to feed the Canal du Midi, the hill reservoirs of the Lauragais and the hills west of Toulouse, the gravel pits of the Garonne plain and the high lakes of the Luchon area. The private properties that do sell are therefore mostly land with a small hill reservoir, gravel pits turned over to fishing, or hillside houses with an ornamental pond. You will find them here, among the ponds and lakes on the market offered by private sellers, estate agents and notaires.
The price section relies on regional and national benchmarks, as sales in the department are too few to publish a local price. This page then describes the types of water body found in Haute-Garonne, their buyers and the legal points that differ depending on whether you are buying a gravel pit, a farm reservoir or a mountain pond. Our complete guide to buying a lake or pond fills in the rest.
According to the ma-propriete.fr pond price observatory, which keeps only ponds, lakes and pools sold without buildings in the French DVF land registry data, only 3 pond sales were recorded in Haute-Garonne between July 2020 and December 2025: too few to publish a departmental price. In Occitanie, 28 ponds sold over the same period at a median of €10,466/ha†; the national median was €25,235/ha in 2025.
| Indicator | Haute-Garonne (31) | Occitanie | France |
|---|---|---|---|
| Median price 2020-2025 | not published | €10,466/ha† | €25,694/ha |
| Average price 2020-2025 | not published | €14,521/ha† | €32,291/ha |
| Number of sales 2020-2025 | 3 | 28 | 2,053 |
| Median price 2025 | not published (0 sales) | not published | €25,235/ha |
| Number of sales 2025 | 0 | 4 | 300 |
Prices are calculated over the whole area sold, water, dams and surroundings included: per hectare, small equipped ponds cost much more than large lakes. These statistics cover ponds without buildings; a house or an adjoining wood changes how the price is formed.
On the listings side, 26 properties with a pond are offered on ma-propriete.fr across France as of 2 October 2026, 1 of them in Occitanie. Their median asking price is €94,000 for a median size of about 2.6 ha. These asking prices apply to complete properties, often with buildings, a pond or hunting rights: they cannot be compared directly with DVF medians per hectare. To work out the full cost of a purchase, add the conveyancing fees with our notary fee calculator.
Source: DVF (French tax authority), processed by ma-propriete.fr; ponds, lakes and pools without buildings of at least 2,000 m², with water covering at least half of the property; July 2020 to December 2025. Listings recorded on 2 October 2026.
Around Toulouse, sand and gravel extraction from the Garonne terraces has left many water bodies. Some have become public leisure parks, such as La Ramée at Tournefeuille, laid out on former gravel pits opened for the ring road and motorway works; others, still in private hands, are sought after by anglers for carp, zander and black bass. A gravel pit is not a classic pond: its banks are often steep, it is deep, and its water comes from the alluvial water table, which makes it sensitive to pollution and to changes in the river. Many lie in flood-prone areas, so check the commune’s flood risk prevention plan before planning a shelter or a jetty, and make sure the site was properly restored when extraction ended.
To the east, the Lauragais is arable country where irrigation has led to many hill reservoirs (“retenues collinaires”): small earth dams closing off a valley to store winter water. The Lac de la Thésauque, at Nailloux and Montgeard, built in the second half of the 20th century for irrigation and to regulate the Hers-Mort, is the public example, open to sailing and fishing. Private reservoirs sold with a farm or a hillside house are more modest. Before buying one, check who holds the right to draw the water, whether the structure is run by an irrigators’ association and whether its permit requires a minimum flow to be left in the stream. Neighbouring Gers, with far more hill lakes, offers a wider choice: see the lakes and ponds for sale in Gers.
In the south, the Comminges has a few natural lakes, such as the small glacial Lac de Barbazan, a listed site recorded for its ecological value, and the upper Luchon valley holds high-altitude lakes, including the Lac d’Oô, raised by a dam in the early 20th century to generate electricity. These sites are not for sale. The private market is limited to small valley ponds, sometimes fed by a trout stream, sold with a barn or a house. In mountain areas, the loi Montagne protects the natural banks of lakes and ponds over a strip of three hundred metres, except for the very largest lakes: building a chalet beside a pond is in principle ruled out, unless the local planning document makes an exception.
Buyers are mainly people from Toulouse looking for land with a pond for fishing or weekends, carp anglers who rent or buy a gravel pit, and farmers taking over a reservoir with the land it irrigates. In every case, ask for the lake or pond’s administrative status under water law, its fishing regime (closed or open water, which changes everything for a gravel pit that connects to the river in flood), the condition of the dam and spillway for a reservoir, and whether invasive species such as red swamp crayfish or water primrose are present. For a fishing pond, our article on maintaining a pond used for fishing will help you estimate the annual budget.
On ma-propriete.fr, Haute-Garonne water bodies are listed by private sellers, estate agents and notaires; as they are few, save a search with an email alert, then compare offers by price and size. Selling a gravel pit, a reservoir or a valley pond? Post your listing. If woodland matters as much as water in your plans, see our woods and forests for sale in Haute-Garonne; for more choice, the ponds for sale in Occitanie.