The Luckiamute River is a tributary of the Willamette River

Willamette River

The Willamette River is a major tributary of the Columbia River, accounting for 12 to 15 percent of the Columbia's flow. The Willamette's main stem is long, lying entirely in northwestern Oregon in the United States...

, about 62 miles (99.8 km) long, in western 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 an area of Central Oregon Coast Range

Central Oregon Coast Range

The Central Oregon Coast Range is the middle section of the Oregon Coast Range, in the Pacific Coast Ranges physiographic region, and located in the west-central portion of the state of Oregon, United States roughly between the Salmon River and the Umpqua River and the Willamette Valley and the...

 and the western Willamette Valley

Willamette Valley

The Willamette Valley is the most populated region in the state of Oregon of the United States. Located in the state's northwest, the region is surrounded by tall mountain ranges to the east, west and south and the valley's floor is broad, flat and fertile because of Ice Age conditions...

 northwest of Corvallis

Corvallis, Oregon

Corvallis is a city located in central western Oregon, United States. It is the county seat of Benton County and the principal city of the Corvallis, Oregon Metropolitan Statistical Area, which encompasses all of Benton County. As of the 2010 United States Census, the population was 54,462....

.

It rises in the remote mountains of southwestern Polk County

Polk County, Oregon

Polk County is a county located in the U.S. state of Oregon. The county is named for James Knox Polk, the 11th president of the United States. In 2010, its population was 75,403. The seat of the county is Dallas....

, about 10 miles (16.1 km) west of Pedee

Pedee, Oregon

Pedee is an unincorporated community in Polk County, Oregon, United States. Pedee is at the intersection of Oregon Route 223 and Maple Grove Road. It is part of the Salem Metropolitan Statistical Area....

. It flows southeast to Hoskins

Hoskins, Oregon

Hoskins is an unincorporated community in Benton County, Oregon, United States. Hoskins lies west of Oregon Route 223's intersection with Hoskins Road. Hoskins is northwest of Wren and southwest of Kings Valley....

 in Benton County

Benton County, Oregon

-National protected areas:*Siuslaw National Forest *William L. Finley National Wildlife Refuge-Demographics:As of the census of 2000, there were 78,153 people, 30,145 households, and 18,237 families residing in the county. The population density was 116 people per square mile . There were 31,980...

, then northeast into Polk County, past Pedee, then east across southern Polk County. It is joined from northwest by the Little Luckiamute River

Little Luckiamute River

The Little Luckiamute River is a stream in Polk County in the U.S. state of Oregon. It rises in the Central Oregon Coast Range near Fanno Peak and joins the Luckiamute River about upstream of the Sarah Helmick State Recreation Site southwest of Monmouth....

. It joins the Willamette from the west about 10 miles (16.1 km) north of Albany

Albany, Oregon

Albany is the eleventh largest city in the U.S. state of Oregon, and is the county seat of Linn County. It is located in the Willamette Valley at the confluence of the Calapooia River and the Willamette River in both Linn and Benton counties, just east of Corvallis and south of Salem. It is...

. The mouth of the river is located about 0.25 miles (402.3 m) downstream from the mouth of the Santiam River

Santiam River

The Santiam River is a tributary of the Willamette River, about long, in western Oregon in the United States. Through its two principal tributaries, the North Santiam and the South Santiam rivers, it drains a large area of the Cascade Range at the eastern side of the Willamette Valley east of...

, which enters the Willamette from the east.

Among the tributary creeks are Waymire, Vincent, Plunkett, Woods, Maxfield, and Soap. The Luckiamute Watershed Council includes Ash Creek

Ash Creek (Polk County, Oregon)

Ash Creek is a stream in Polk County, Oregon, United States. It originates in the Oregon Coast Range and feeds into the Willamette River at Independence.-External links:*...

 in its watershed

Drainage basin

A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...

study area, although it drains directly into the Willamette River.