Cuillin that there are no natural sources of water on the ridge (except for winter snows and melt water), although there are a few high burns just off the main ridge from which water can be obtained. Some believe the ultimate mountaineering experience of the UK is the full traverse of the Cuillin Ridge, especially under winter conditions. The Isle of Skye's position in the warm Gulf Stream makes genuine winter conditions rare, and the very short winter days probably make a 24-hour traverse impractical. The first recorded, over two days, was in 1965 by D Crabbe, B Robertson, T Patey
Hills in the Puget Lowland as Lake Washington; and numerous kettle lakes, and Puget Sound itself. High points on the plateau remain, most of which are a drumlin (rocky glacial debris), or a bedrock intrusion that predated glaciation. Hills above 500 feet are considered exceptional. Hills are glacial deposits unless otherwise noted. King, Pierce and Snohomish Counties run up to the crest of the Cascades where their high points reside; therefore, the Cascades and attached foothills are excluded. Likewise for Thurston County in the Mount Rainier area, and Mason County's Olympic Mountains foothills. Landforms north of the Tacoma Narrows (Island, King, Kitsap, Pierce and Snohomish