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Willamette Falls boat basin in 1867, photograph by Carleton Watkins. Willamette Falls is an important location for many tribes. [5] The abundance of salmon brought tribal communities from all over to fish, trade, and interact at the falls - creating an economic and cultural hub for the region. [6]
Fish biologists say the only way to rebuild native salmon numbers in the Upper Willamette Basin — everything upstream of Willamette Falls — is by allowing the fish to access spawning habitat ...
Willamette Valley map showing main stem and major tributaries. The Willamette River drains a region of 11,478 square miles (29,730 km 2), which is 12 percent of the total area of Oregon. [4] Bounded by the Coast Range to the west and the Cascade Range to the east, the river basin is about 180 miles (290 km) long and 100 miles (160 km) wide. [13]
At Willamette Falls, the river plunges about 40 feet (12 m). For the rest of its course, the river is extremely low-gradient and is influenced by Pacific Ocean tidal effects from the Columbia. The main stem of the Willamette varies in width from about 330 to 660 feet (100 to 200 m).
This year, as of Sept. 17, 11,700 adult coho have already passed Willamette Falls — ahead of last year’s pace and double the average number of fish counted for the entire season from 1991 to 2022.
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