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Tualatin River
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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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