Rùm rest of the British Isles and Scotland, Rùm features a strongly maritime climate with cool summers and mild winters. There is a MetOffice weather station at Kinloch providing long term climate observations. The main range of hills on Rùm are the Cuillin, usually referred to as the "Rùm Cuillin", in order to distinguish them from the Cuillin of Skye. They are rocky peaks of gabbro, forming the Rum layered intrusion. Geologically, Rùm is the core of a deeply eroded volcano that was active in the Paleogene era some 60 million years ago, and which developed on a pre-existing structure of
Hills in the Puget Lowland counties) Whidbey Island and Camano Island are islands in Puget Sound and form the bulk of Island County. The Blue Hills of the Kitsap Peninsula are unusual in that they are composed of basalt bedrock, not glacial till. Bainbridge Island is an island in Puget Sound. Landforms in South Puget Sound (Thurston and Mason counties) The Issaquah Alps Bellevue, Issaquah and Newcastle on the Eastside are considered part of the Cascades foothills by many authors. They are basalt intrusions possibly related to the Blue Hills of the Kitsap Peninsula. Highest point Tiger Mountain summit, . The Anacortes Community Forest Lands