Country/territory: France
Central coordinates (latitude / longitude): 45°42'00"N (45.7000°) / 002°30'00"E (2.5000°)
Area (reported): 64,900 hectares / 649.00 km² / 160,371 acres / 250.58 square miles
Area (GIS-derived): 65,077 hectares / 650.77 km² / 160,809 acres / 251.26 square miles
Altitude: 650–980 m (2,132–3,215 ft)