Mad River (Washington)
Encyclopedia
The Mad River is a river
in the U.S. state
of Washington. It rises in the Cascade Mountains and flows southeast to join the Entiat River
. It is part of the Columbia River
basin, being a tributary of the Entiat River, which empties into the Columbia River.
River
A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...
in the U.S. state
U.S. state
A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...
of Washington. It rises in the Cascade Mountains and flows southeast to join the Entiat River
Entiat River
The Entiat River is a tributary of the Columbia River, joining the Columbia near Entiat. The USGS lists two variant names for the Entiat River: En-ti-at-kwa River and Entiatqua River. En-ti-at-kwa is noted as being the original "Indian name", meaning "rapid water"...
. It is part 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...
basin, being a tributary of the Entiat River, which empties into the Columbia River.