Multnomah Countyの地形図

平均標高：60 m

平均標高：7 m

平均標高：27 m

平均標高：254 m

平均標高：176 m

平均標高：127 m

平均標高：19 m

平均標高：87 m

平均標高：500 m

平均標高：26 m

Hoyt Arboretum is sited on steep slopes, straddling the SW Fairview Boulevard ridge above the Oregon Zoo and the Portland Japanese Garden. The elevation of the arboretum ranges from 650 feet to 900 feet, and there are several ravines within the arboretum. The hilly terrain of the arboretum was once in private…

平均標高：209 m

Rocky Butte lies in the northeast part of Portland within the city limits, in Multnomah County, part of the U. S. state of Oregon. It is one of the few smaller volcanic cones within or near Portland, along with Mount Tabor, Kelly Butte, and Powell Butte. According to the U.S. National Geodetic Survey, Rocky…

平均標高：67 m

平均標高：37 m

平均標高：26 m

平均標高：73 m

平均標高：91 m

平均標高：45 m

平均標高：218 m

平均標高：26 m

平均標高：79 m

平均標高：82 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…

平均標高：77 m

平均標高：127 m

平均標高：146 m

平均標高：157 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…

平均標高：90 m

平均標高：54 m