Clackamas River topographic map

Average elevation: 735 m

Average elevation: 1,205 m

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Average elevation: 296 m

Wilsonville is located on the southern edge of the Portland metropolitan area sitting at an elevation of 154 feet (47 m) above sea level. Primarily in the southwestern part of Clackamas County, the northern section is in Washington County. It is located on the north side of the Willamette River around where…

Average elevation: 60 m

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Average elevation: 1,191 m

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Average elevation: 123 m

Average elevation: 106 m