Multnomah County topographic maps

Gresham is characterized by hills on its eastern border. Northeast Gresham is also hilly, especially where the city meets Troutdale toward the Columbia River. Its elevation is 325 feet (99 m). Johnson Creek, which begins at the foothills of the Cascade Mountains, runs westward through Gresham, with 23 percent…

Average elevation: 292 ft

Average elevation: 715 ft

Average elevation: 417 ft

Annual snowfall in Portland is 4.3 inches (10.9 cm), which usually falls during the December-to-March time frame. The city of Portland avoids snow more frequently than its suburbs, due in part to its low elevation and urban heat island effect. Neighborhoods outside of the downtown core, especially in slightly…

Average elevation: 253 ft

Average elevation: 515 ft

Average elevation: 30 ft

Average elevation: 177 ft