Everything about The Tualatin River totally explained
The
Tualatin River is a tributary of the
Willamette River located in
Oregon in the
United States. The river is approximately 83 miles (125 km) in length, and it drains a fertile farming region called the
Tualatin Valley southwest and west of
Portland at the northwest corner of the
Willamette Valley. There are approximately 500,000 people residing on 15% of the land in the river's watershed.
Description
The river originates in the
Northern Oregon Coast Range in southwestern
Washington County near the town of
Cherry Grove and flows northward, passing south of
Forest Grove, then generally eastward, passing south of
Hillsboro, then southeastward through the town of
Tualatin. Its confluence with the
Willamette River is located to the south of
West Linn. The drainage area of the river is approximately 712 square miles with 27 creeks feeding into the Tualatin. Its watershed is 15% urbanized, 35% agricultural, and 50% forested.
The river drops in elevation during its first and then only an additional for the remainder of its course. It was the first river in the state to fail overall pollution limits.
Tributaries
Its largest tributary,
Dairy Creek, flows into the river from the north near Hillsboro. It receives Chicken Creek from the south near
Sherwood.
Creeks flowing into the river:
Right tributaries
Left tributaries
Maple Creek
Sunday Creek
Lee Creek
Scoggins Creek - Henry Hagg Lake
O'Neil Creek
Dilley Creek
Carpenter Creek
Gales Creek
Dairy Creek
Rock Creek
Gordon Creek
Butternut Creek
Fanno Creek
Wilson Creek
Settlements along the Tualatin River
Cherry Grove
Gaston
Dilley
Blooming
Cornelius
Hillsboro
Farmington
Scholls
King City
Tigard
Tualatin
Rivergrove
Lake Oswego
Shadowood
West Linn (Willamette District)
Landforms along the Tualatin River
Windy Point
Hagerty Ridge
Blind Cabin Ridge
Mount Richmond
Wiliams Canyon
Patton Valley
Chehalem Mountains
Jackson Bottom
Cooper Mountains
Parrett Mountains
Tualatin Plain
Bull MountainFurther Information
Get more info on 'Tualatin River'.
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