Corbett topographic map

Portland features a striking and varied topography characterized by its location at the confluence of the Willamette and Columbia Rivers. The city lies within the fertile Willamette Valley, flanked by the snow-capped Cascade Mountains to the east, including the prominent Mount Hood, and the less elevated…

Average elevation: 77 m

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

Average elevation: 77 m

Though much of Gresham is relatively flat, it is characterized by a hill on its eastern border. Northeast Gresham is also hilly, particularly 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…

Average elevation: 90 m

Average elevation: 26 m

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: 77 m

Average elevation: 73 m

Average elevation: 91 m

Average elevation: 54 m

Average elevation: 45 m

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: 89 m

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

Average elevation: 77 m

Average elevation: 218 m

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

Average elevation: 77 m

Average elevation: 26 m

Average elevation: 79 m

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: 77 m

Average elevation: 82 m

Average elevation: 9 m

Average elevation: 54 m