Sierra Leone is on the West Coast of Africa between 7 and 10 degrees N, and longitudes 10.5 and 13 degrees W. The Republic of Guinea is to the north and northeast; Liberia is to the east and southeast, and the Atlantic Ocean on the west and south. It has 402 km of coastline.
From an approximate 100km coastal belt of low-lying land, the country rises to a mountain plateau near the eastern frontier rising 1200m to 2000m with a rich timber forest region.
The peninsula, on which the capital and main commercial centre of Freetown stands, is 40km long and 17km wide with a mountainous interior.