APPIN, coast district, Argyllshire, Scotland, bounded west by Loch Linnhe, south by Loch Creran, east by Benderloch and Lorne districts, and north by Loch Leven. It measures 14m. N.E.—S.W. by 7m. in breadth. The coast is beautiful, and inland the country is rugged and mountainous. The streams Coe and Laroch flow into Loch Leven, Duror and Salachan into Loch Linnhe, and Iola and Creran into Loch Creran. The leading indus try is slate and granite quarrying. Ballachulish, Duror and Appin are the principal villages. Ballachulish and Port Appin are ports of call for steamers, and the L.M.S. branch line from Connel Ferry to Ballachulish runs through the coast land. Appin was the country of a branch of the Stewarts.