The Klaskanine River is a tributary of the Youngs River

Youngs River

The Youngs River is a tributary of the Columbia River, approximately long, in northwest Oregon in the United States. It drains part of the Northern Oregon Coast Range in the extreme northwest corner of state, entering the Columbia just upstream from its mouth.It rises in a remote section of the...

, approximately 16 miles (25.7 km) long, in northwest Oregon

Oregon

Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...

 in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. It drains a small section of the Coast Range

Northern Oregon Coast Range

The Northern Oregon Coast Range is the northern section of the Oregon Coast Range, in the Pacific Coast Ranges physiographic region, located in the northwest portion of the state of Oregon, United States. This section of the mountain range, part of the Pacific Coast Ranges, contains peaks as high...

 in the extreme northwest corner of the state in the watershed of the nearby Columbia River

Columbia River

The Columbia River is the largest river in the Pacific Northwest region of North America. The river rises in the Rocky Mountains of British Columbia, Canada, flows northwest and then south into the U.S. state of Washington, then turns west to form most of the border between Washington and the state...

.

It rises in three short forks in the mountains in central Clatsop County

Clatsop County, Oregon

Clatsop County is a county located in the U.S. state of Oregon. The county is named for the Clatsop tribe of Native Americans, who lived along the coast of the Pacific Ocean prior to European settlement. As of 2010, the population was 37,039. The county seat is Astoria.-Economy:The principal...

, in the Clatsop State Forest

Clatsop State Forest

Clatsop State Forest is a state forest in Clatsop and Columbia counties in the U.S. state of Oregon. It is managed by the Astoria District of the Oregon Department of Forestry.- External links :*...

 north of Saddle Mountain State Natural Area

Saddle Mountain State Natural Area

Saddle Mountain State Natural Area is a state park in northwest Oregon. It is located in the Northern Oregon Coast Range in central Clatsop County, about by road from Seaside. A long hiking trail climbs to the top of Saddle Mountain, which is located in the park...

. The Middle Fork joins the North Fork, which then joins the South Fork. The combined stream flows generally northwest and enters the Youngs River from the east approximately 5 miles (8 km) south of Astoria

Astoria, Oregon

Astoria is the county seat of Clatsop County, Oregon, United States. Situated near the mouth of the Columbia River, the city was named after the American investor John Jacob Astor. His American Fur Company founded Fort Astoria at the site in 1811...

.