Country/territory: France
Central coordinates (latitude / longitude): 42°43'59"N (42.7333°) / 000°04'00"E (0.0667°)
Area (reported): 7,600 hectares / 76.00 km² / 18,780 acres / 29.34 square miles
Area (GIS-derived): 6,586 hectares / 65.86 km² / 16,274 acres / 25.43 square miles
Altitude: 1374–3248 m (4,507–10,654 ft)