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Altitude média: 82 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…

Altitude média: 209 m

Altitude média: 127 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…

Altitude média: 67 m

Altitude média: 37 m

Altitude média: 60 m

Altitude média: 176 m

Altitude média: 19 m

Altitude média: 82 m

Altitude média: 26 m

Altitude média: 79 m

Altitude média: 146 m