Castagnac (French pronunciation: [kastaɲak]; Occitan: Castanhac) is a commune in the Haute-Garonne department in southwestern France.
The Lèze forms most of the commune's north-eastern border. There are numerous hiking routes.[3]
The commune is bordered by five other communes, three of them is in Haute-Garonne, and two of them is in Ariège: Latrape to the west, Canens to the south, Massabrac to the southeast, and finally by the department of Ariège to the north and east by the communes of Lézat-sur-Lèze to the north and Saint-Ybars to the east.
| Year | Pop. | ±% |
|---|---|---|
| 1962 | 228 | — |
| 1968 | 264 | +15.8% |
| 1975 | 212 | −19.7% |
| 1982 | 188 | −11.3% |
| 1990 | 161 | −14.4% |
| 1999 | 204 | +26.7% |
| 2006 | 272 | +33.3% |
| 2011 | 304 | +11.8% |
| 2016 | 292 | −3.9% |
| 2018 | 283 | −3.1% |
| Authority control databases: National |
|---|
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