This is a partial listing of rivers in the state of Oregon, United States. This list of Oregon rivers is organized alphabetically and by tributary structure. The list may also include streams known as creeks, brooks, forks, branches and prongs, as well as sloughs and channels.
A list of rivers of the Americas and a list of Pacific Ocean coast rivers of the Americas are also available, as is a list of Oregon lakes.
List order is north to south if draining into the Pacific Ocean. Tributary order is by increasing distance from the mouth of the river they feed.
→ North Fork Smith River (originates in Oregon and drains into Smith River in California)
List is of rivers that flow into Alvord Lake, a lake with no outflows.
List is of rivers that flow into Carter Lake, a lake with no outflows.
List is of rivers that flow into Cleawox Lake, a lake with no outflows.
List is of rivers that flow into Hart Lake, a lake with no outflows. Order of mouths is alphabetical while tributary structures are of increasing distance from the mouth.
List is of rivers that flow into Lake Abert, a lake with no outflows. Order of tributary structure is of increasing distance from the mouth.
List is of rivers that flow into Lake Marie, a lake with no outflows.
List is of rivers that flow into Malheur Lake, a lake with no outflows. Order of mouths is alphabetical while tributary structures are of increasing distance from the mouth.
List is of rivers in Oregon that drain into Nevada's Quinn River, which drains into the Quinn River Sink in the Black Rock Desert, also in Nevada. Order is by increasing distance from the mouth of the Quinn River.
List is of rivers that flow into Summer Lake, a lake with no outflows.
The Smith River is a 90-mile (140 km) tributary of the Umpqua River in the U.S. state of Oregon. It drains 352 square miles (910 km2) of the Central Oregon Coast Range between the watershed of the Umpqua to the south and the Siuslaw River to the north.
Cache Creek is an 87-mile-long (140 km) stream in Lake, Colusa and Yolo counties, California.
The South Fork Eel River is the largest tributary of the Eel River in north-central California in the United States. The river flows 105 miles (169 km) north from Laytonville to Dyerville/Founders' Grove where it joins the Eel River. The South Fork drains a long and narrow portion of the Coast Range of California in parts of Mendocino and Humboldt counties. U.S. Route 101 follows the river for much of its length.