Sandy River (Oregon)

Sandy River
Sandy River and Mount Hood
Location of the mouth of the Sandy River in Oregon
EtymologyNamed Quicksand River in 1805 by Lewis and Clark because of "emence quantitys of sand" at the mouth; apparently shortened to Sandy River locally by 1845–50
Location
CountryUnited States
StateOregon
CountyClackamas County, Multnomah County
Physical characteristics
SourceMount Hood
 • locationClackamas County, Oregon
 • coordinates45°22′32″N 121°43′45″W / 45.37556°N 121.72917°W / 45.37556; -121.72917
 • elevation5,225 ft (1,593 m)
MouthColumbia River
 • location
near Troutdale, Multnomah County, Oregon
 • coordinates
45°34′05″N 122°24′03″W / 45.56806°N 122.40083°W / 45.56806; -122.40083
 • elevation
10 ft (3.0 m)
Length57 mi (92 km)
Basin size508 mi2 (1,320 km2)
Discharge 
 • locationnear Dodge Park, 18.4 miles (29.6 km) from mouth
 • average2,300 cu ft/s (65 m3/s)
 • minimum45 cu ft/s (1.3 m3/s)
 • maximum84,400 cu ft/s (2,390 m3/s)
TypeWild, Scenic, Recreational
DesignatedOctober 28, 1988

The Sandy River is a 56-mile (90 km) tributary of the Columbia River in northwestern Oregon in the United States. The Sandy joins the Columbia about 14 miles (23 km) upstream of Portland.