Country/territory: Portugal
Central coordinates (latitude / longitude): 39°22'00"N (39.3667°) / 008°31'59"W (-8.5333°)
Area (reported): 432 hectares / 4.32 km² / 1,067 acres / 1.67 square miles
Area (GIS-derived): 433 hectares / 4.33 km² / 1,070 acres / 1.67 square miles
Altitude: 12–22 m (39–72 ft)