The west coast has high rainfall: an annual average of at Loch Broom and at Strome Ferry (autumn and winter being the wettest seasons), but on the east coast the annual average is only .
As of 1911 about were devoted to deer forests, a greater area than in any other county in Scotland, among the largest being Achnashellach with 50000acre), Fannich with , Kinlochluichart with , Braemore with , Inchbae with and Dundonnell with .