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Coho salmon numbers have exploded in the Upper Willamette Basin to the delight of anglers and confusion of biologists. Skip to main content. 24/7 Help. For premium support please call: 800-290 ...
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.
30,850 cu ft/s (874 m 3 /s) The Willamette Falls is a natural waterfall in the northwestern United States, located on the Willamette River between Oregon City and West Linn, Oregon. The largest waterfall in the Northwest U.S. by volume, it is the seventeenth widest in the world. [ 1 ] Horseshoe in shape, it is 1,500 feet (455 m) wide and forty ...
The last big year for summer steelhead in the Upper Willamette was when 21,732 fish returned in 2016. Over the last five years, the average return has been just 5,571 fish. Golden age of steelhead
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]
Bonneville Dam. Bonneville Lock and Dam / ˈbɒnəvɪl / consists of several run-of-the-river dam structures that together complete a span of the Columbia River between the U.S. states of Oregon and Washington at River Mile 146.1. [6] The dam is located 40 miles (64 km) east of Portland, Oregon, in the Columbia River Gorge.
October 28, 1988. The Clackamas River is an approximately 83-mile (134 km) tributary of the Willamette River in northwestern Oregon, in the United States. Draining an area of about 940 square miles (2,435 km 2), the Clackamas flows through mostly forested and rugged mountainous terrain in its upper reaches, and passes agricultural and urban ...
The Willamette River is a 187-mile (301 km) tributary of the Columbia River in the U.S. state of Oregon. The upper tributaries of the Willamette originate in mountains south and southeast of the twin cities of Eugene and Springfield. Formed by the confluence of the Middle Fork Willamette River and Coast Fork Willamette River near Springfield ...