Science Fair Project Encyclopedia
Sandy River (Oregon)
It rises in the Cascades in eastern Clackamas County, issuing from a glacier on the flanks of Mount Hood. It flows northwest past Sandy and Troutdale. It joins the Columbia from the south in central Multnomah County, approximately 14 mi (23 km) east of Portland, near the lower end of the Columbia River Gorge.
Tributaries of the Sandy River include the Bull Run River, Cedar Creek near the town of Sandy, as well as Alder Creek and Wildcat Creek east of Sandy. The Sandy River Fish Hatchery lies on Cedar Creek very near to its confluence with the Sandy.
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