The Youngs River is a tributary of the 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...

, approximately 20 miles (32.2 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 part of the Northern Oregon 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 state, entering the Columbia just upstream from its mouth.

It rises in a remote section of the mountains of 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...

, 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...

. It flows generally northwest, passing over Youngs River Falls

Youngs River Falls

Youngs River Falls is a scenic 65-ft waterfall on the Youngs River in northwestern Oregon in the United States. The falls are located in central Clatsop County, approximately 10 mi south of Astoria.- Discovery :...

, discovered by a hunting party of the Lewis and Clark Expedition

Lewis and Clark Expedition

The Lewis and Clark Expedition, or ″Corps of Discovery Expedition" was the first transcontinental expedition to the Pacific Coast by the United States. Commissioned by President Thomas Jefferson and led by two Virginia-born veterans of Indian wars in the Ohio Valley, Meriwether Lewis and William...

 from nearby Fort Clatsop

Fort Clatsop

Fort Clatsop was the encampment of the Lewis and Clark Expedition in the Oregon Country near the mouth of the Columbia River during the winter of 1805-1806...

. It broadens in a large estuary

Estuary

An estuary is a partly enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the open sea....

 and enters the south end of Youngs Bay

Youngs Bay

Youngs Bay, or Youngs River Bay, is located in the northwestern corner of the U.S. state of Oregon. The Youngs River meets the Columbia River at this point, which is situated between Astoria and Warrenton. There are two bridges that cross the bay, with the busiest being Old Youngs Bay Bridge, a...

 on the Columbia at 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...

. It receives the Klaskanine River

Klaskanine River

The Klaskanine River is a tributary of the Youngs River, approximately long, in northwest Oregon in the United States. It drains a small section of the Coast Range in the extreme northwest corner of the state in the watershed of the nearby Columbia River....

 from the east approximately 5 miles (8 km) south of Astoria. It receives the Wallooskee River

Wallooskee River

The Wallooskee River is a tributary of the Youngs River, about long, in northwest Oregon in the United States. It drains a small area of the foothills of the Coast Range near the mouth of the Columbia River. The Youngs River is a tributary of the Columbia River.It rises southwest of Astoria in a...

from the east approximately 2 miles (3 km) south of Astoria.