Brimsdown Hill (grid reference ST821391) is a 193.7 hectare biological Site of Special Scientific Interest in Wiltshire, notified in 1951. It is situated within the Cranborne Chase and West Wiltshire Downs Area of Outstanding Natural Beauty.j,
51°08′56″N 2°14′58″W / 51.148986°N 2.249365°W / 51.148986; -2.249365