The Bumping River is a

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...

of the

Naches River The Naches River is a tributary of the Yakima River in central Washington in the United States. Beginning as the Little Naches River, it is about 75 miles (121 km) long. After the confluence of the Little Naches and Bumping River the name b ...

, in

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...

in the United States. It flows down the east side of the

Cascade Range The Cascade Range or Cascades is a major mountain range of western North America, extending from southern British Columbia through Washington and Oregon to Northern California. It includes both non-volcanic mountains, such as the North Cascades, ...

, through

Wenatchee National Forest Wenatchee National Forest is a U.S. National Forest located in Washington (state), Washington. With an area of 1,735,394 acres (2,711.55 sq mi, or 7,022.89 km²), it extends about 137 miles along the eastern slopes of the Cascade Range of Wa ...

and the William O. Douglas Wilderness. From its source at Fish Lake near Crag Mountain, it flows northeast to

Bumping Lake Bumping Lake is a lake and reservoir along the course of the Bumping River, in Yakima County, Washington state, USA. Bumping Lake has also named as "Lake Plehnam" by Preston's Map of Oregon and Washington in the 1850s, and "Tannum Lake" by the Un ...

, a natural lake enlarged and regulated by Bumping Lake Dam. Below the dam, the Bumping River continues flowing northeast. It is joined by the

American River , name_etymology = , image = American River CA.jpg , image_size = 300 , image_caption = The American River at Folsom , map = Americanrivermap.png , map_size = 300 , map_caption ...

, its main tributary, a few miles above its mouth where it joins the Little Naches River to form the

. Bumping River is part of the

Columbia River The Columbia River (Upper Chinook: ' or '; Sahaptin: ''Nch’i-Wàna'' or ''Nchi wana''; Sinixt dialect'' '') is the largest river in the Pacific Northwest region of North America. The river rises in the Rocky Mountains of British Columbia, C ...

basin, being a tributary of the Naches River, which is tributary to the

Yakima River The Yakima River is a tributary of the Columbia River in south central and eastern Washington state, named for the indigenous Yakama people. Lewis and Clark mention in their journals that the Chin-nâm pam (or the Lower Snake River Chamnapam Nat ...

, which is tributary to the Columbia River. Stockmen said that the river's name was given because during a

freshet The term ''freshet'' is most commonly used to describe a spring thaw resulting from snow and ice melt in rivers located in upper North America. A spring freshet can sometimes last several weeks on large river systems, resulting in significant in ...

heavy boulders were carried down the river creating a rumbling vibration as the rocks kept bumping together. Variant names listed by the

United States Geological Survey The United States Geological Survey (USGS), formerly simply known as the Geological Survey, is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, ...

(USGS) for the Bumping River include Tancum River and Tanum River.

References

External links

Bumping Lake Dam

United States Bureau of Reclamation The Bureau of Reclamation, and formerly the United States Reclamation Service, is a federal agency under the U.S. Department of the Interior, which oversees water resource management, specifically as it applies to the oversight and opera ...

{{authority control Rivers of Washington (state) Rivers of Yakima County, Washington Tributaries of the Yakima River

See also

References

External links