Snake RiverSnake River
river in the NW U.S., flowing from Yellowstone National Park into the Columbia River in Wash.: 1,038 mi (1,670 km)
Origin of Snake Rivertranslated, translation (prob. erroneous) of earlier Shoshone River
A river of the northwest United States rising in northwest Wyoming and flowing about 1,670 km (1,040 mi) through southern Idaho, along the Oregon-Idaho and Idaho-Washington borders, and through southeast Washington to the Columbia River. The river has spectacular deep gorges and is used for irrigation and hydroelectric power. In southeast Idaho it forms the southern edge of the Snake River Plain, a large, arid region.