| Sandy River | |
|---|---|
&sq=Envato&lang=en&file=File:MtHood_from_JonsrudViewpt.jpg) Sandy River and Mount Hood | |
&sq=Envato&lang=en&file=File:USA_Oregon_relief_location_map.svg)  Location of the mouth of the Sandy River in Oregon | |
| Etymology | Named 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[2] |
| Location | |
| Country | United States |
| State | Oregon |
| County | Clackamas County, Multnomah County |
| Physical characteristics | |
| Source | Mount Hood |
| • location | Clackamas County, Oregon |
| • coordinates | 45°22′32″N 121°43′45″W / 45.37556°N 121.72917°W[1] |
| • elevation | 5,225 ft (1,593 m)[3] |
| Mouth | Columbia River |
• location | near Troutdale, Multnomah County, Oregon |
• coordinates | 45°34′05″N 122°24′03″W / 45.56806°N 122.40083°W[1] |
• elevation | 10 ft (3.0 m)[1] |
| Length | 57 mi (92 km)[4] |
| Basin size | 508 sq mi (1,320 km2)[5] |
| Discharge | |
| • location | near Dodge Park, 18.4 miles (29.6 km) from mouth[6][7] |
| • average | 2,300 cu ft/s (65 m3/s)[6][7] |
| • minimum | 45 cu ft/s (1.3 m3/s) |
| • maximum | 84,400 cu ft/s (2,390 m3/s) |
| Type | Wild, Scenic, Recreational |
| Designated | October 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.
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- ^ a b c "Sandy River". Geographic Names Information System (GNIS). United States Geological Survey (USGS). November 28, 1980. Retrieved December 15, 2009.
- ^ McArthur, Lewis A.; McArthur, Lewis L. (2003). Oregon Geographic Names, Seventh Edition. Portland, Oregon: Oregon Historical Society Press. pp. 846–47. ISBN 0-87595-277-1.
- ^ Source elevation derived from Google Earth search using GNIS source coordinates.
- ^ Palmer, Tim (2014). Field Guide to Oregon Rivers. Corvallis: Oregon State University Press. p. 16. ISBN 978-0-87071-627-0.
- ^ Taylor, Barbara (December 1998). "Salmon and Steelhead Runs and Related Events of the Sandy River Basin - A Historical Perspective" (PDF). Portland General Electric. Archived from the original (PDF) on April 27, 2015. Retrieved October 6, 2009.
- ^ a b "USGS 14142500 Sandy River Below Bull Run River, near Bull Run, OR". United States Geological Survey. 2008. Retrieved May 5, 2008.
- ^ a b Average discharge rate was calculated by adding average annual discharge rates for 10 calendar years, 1994–2003, from USGS records and dividing by 10.