Molalla River

Molalla River
Molalla River
Molalla River is located in Oregon
Molalla River
Location of the Molalla River mouth in Oregon
EtymologyAfter the Molala people
Location
CountryUnited States
StateOregon
CountyClackamas
Physical characteristics
SourceTable Rock Wilderness Area
 • locationCascade Range
 • coordinates44°54′12″N 122°16′01″W / 44.90333°N 122.26694°W / 44.90333; -122.26694[1]
 • elevation3,304 ft (1,007 m)[2]
MouthWillamette River
 • location
Molalla River State Park
 • coordinates
45°17′23″N 122°43′18″W / 45.28972°N 122.72167°W / 45.28972; -122.72167[1]
 • elevation
69 ft (21 m)
Length51 mi (82 km)[3]
Basin size874 sq mi (2,260 km2)[3]
Discharge 
 • locationriver mouth[3]
 • average2,377 cu ft/s (67.3 m3/s)[3]
Discharge 
 • locationabove Pudding River
 • average1,142 cu ft/s (32.3 m3/s)
TypeRecreational
DesignatedMarch 12, 2019[4]

The Molalla River is a 51-mile (82 km) tributary of the Willamette River in the northwestern part of Oregon in the United States. Flowing northwest from the Cascade Range through Table Rock Wilderness, it passes the city of Molalla before entering the larger river near Canby. The Molalla is the largest Willamette tributary unblocked by a dam.

  1. ^ a b "Molalla River". Geographic Names Information System (GNIS). United States Geological Survey. November 28, 1980. Retrieved August 9, 2010.
  2. ^ Derived from Google Earth search using Geographic Names Information Service (GNIS) source coordinates.
  3. ^ a b c d Palmer, Tim (2014). Field Guide to Oregon Rivers. Corvallis: Oregon State University Press. pp. 187–89. ISBN 978-0-87071-627-0.
  4. ^ "Explore Designated Rivers". Rivers.gov. Retrieved January 8, 2022.

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