- The region known as the Issaquah Alps is a mountainous area of Washington State located east of the Seattle suburbs. The name “Issaquah Alps” is credited as being coined by Harvey Manning in 1976, and includes low-elevation mountains that face I-90 between Bellevue and North Bend. The major mountains of this area are Cougar Mountain on the western side, Squak Mountain and the various Tiger Mountain peaks (West Tiger, Middle Tiger, East Tiger, South Tiger) in the center of the area, and Rattlesnake Mountain on the eastern side of the area. Rattlesnake Mountain connects the Issaquah Alps to a section of the Cascade Mountains along I-90. Other major highpoints within the Issaquah Alps include Taylor Mountain, Grand Ridge, and Mitchell Hill.
