Country/territory: USA
Central coordinates (latitude / longitude): 41°10'00"N (41.1667°) / 112°15'00"W (-112.2500°)
Area (reported): 25,556 hectares / 255.56 km² / 63,150 acres / 98.67 square miles
Area (GIS-derived): 25,793 hectares / 257.93 km² / 63,736 acres / 99.59 square miles
Altitude: 1280–1285 m (4,199–4,215 ft)