 Over of land around Ben More Assynt have been declared a Site of Special Scientific Interest (SSSI) because of their geological interest and rare plant species.Ben More Assynt is situated on a ridge of high ground which runs roughly north to south on the east side of the A837 road near Inchnadamph.This ridge forms part of the main north–south watershed of Scotland, with drainage from the mountain reaching the North Sea and the Atlantic Ocean on opposite sides of mainland Scotland.