The Eastgate neighborhood is mainly located on the northwest flank of Cougar Mountain. Immediately to the west is Factoria and Issaquah is to the east along I-90. Eastgate is considered part of Bellevue, although not all of it is incorporated in the city limits. The neighborhood is primarily residential, but its close proximity to more commercialized areas makes Eastgate both private and convenient.
Much of Cougar Mountain has been preserved as a Regional Wildland Park. With 36 miles of hiking trails and 12 miles of equestrian trails providing a true wilderness experience on Seattle's very doorstep, the park has grown piecemeal to 3,098 acres, becoming the largest urban wildland in the United States.