Ben Nevis and Glen Coe is a national scenic area (NSA) covering part of the Highlands of Scotland surrounding Ben Nevis and Glen Coe, in which certain forms of development are restricted. It is one of 40 such areas in Scotland, which are defined so as to identify areas of exceptional scenery and to ensure its protection from inappropriate development. The Ben Nevis and Glen Coe NSA covers 903 km2 (349 sq mi) of land, lying within the Highland, Argyll and Bute and Perth and Kinross council areas. A further 19 km2 (7.3 sq mi) of the NSA are marine, covering the sea loch of Loch Leven.