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Tualatin River
Coast Range Mountains
GPS Coordinates: 45.4332226, -123.2351989
REGIONS > WESTERN OREGON​​​
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The headwaters for the Tualatin River arise on the eastern side of the Coast Range Mountains in northwestern Oregon. From there, the river winds its way east, through the Tillamook State Forest and into the Tualatin River Valley. It ends when it drains into the larger Willamette River about 10 miles (16 km) south of Portland. 

The valley was an important resource to the native peoples of Oregon. Its natural wetlands and rich soil provided an abundance of native plants, birds, mammals and fish which allowed these hunter-gatherer societies to thrive.

​When Euro-Americans began to settle Oregon starting in 1840, the valley and river gave rise to widespread agriculture which, in turn, allowed for the growth of Portland and the surrounding towns. Although farms are still widespread in the area, much of the valley has been converted into municipal areas which include Hillosboro, Tigard, Tualatin, Aloha and Beaverton.

Explore the Tualatin River Area:

Coast Range Mountains
Willamette River
Columbia River
Willamette Valley
Portland and Vicinity
Salem and Vicinity

Representative Species for the Tualatin River:

American kestrel
Canada goose
Great blue heron
Oregon ash
Bald Eagle
Common camas
Hooded merganser
Oregon white oak
Belted Kingfisher
Douglas-fir
North American river otter
Osprey
Bigleaf maple
Golden-crowned kinglet
Northern pintail
Rough-skinned newt

Suggested Activities for the Tualatin River:

Art
Geocaching
Wildlife Spotting
Conservation Projects
Hiking
Citizen Science
Kayaking
Fishing
Photography and Video
Picture
Picture
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