Snake River Canyon (Idaho)
|Snake River Canyon|
View east up the Snake River Canyon from the Perrine Bridge
|County||Twin Falls, Jerome|
Snake River Canyon is a large canyon formed by the Snake River in the Magic Valley region of southern Idaho, forming part of the boundary between Twin Falls County to the south and Jerome County to the north.
The canyon ranges up to 500 feet (150 meters) deep and 0.25 miles (0.4 kilometers) wide, and runs for just over 50 miles.  Perrine Bridge crosses the canyon immediately north of the city of Twin Falls. Shoshone Falls is located approximately 5 miles (8 kilometers) east of Perrine Bridge along the canyon.
In the late 19th century I. B. Perrine and others founded the Magic Valley's first successful agricultural operations on Snake River Canyon floor. The canyon's value as a farming area diminished after irrigation projects made agriculture practical in the surrounding areas in the early 20th Century. Today the canyon floor is a tourist attraction and features several parks and golf courses.
In the past it was generally believed the Snake River Canyon was created by a cataclysmic flood caused by water released from Lake Bonneville approximately 14,000 years ago. However, as of 2000, geologists believe that while the canyon was shaped by the flood, its basic structure predated it.
The canyon is well known as the site of an unsuccessful 1974 attempt by Evel Knievel to jump across it in the Skycycle X-2 rocket. The dirt ramp built for that jump is still there and remains a tourist attraction.
Other stuntmen are planning to recreate the jump to commemorate its 40th anniversary in 2014.
- Magic Valley website, "River of Stone". Retrieved June, 2014.
- Topinka, Lyn. Lake Bonneville and the Bonneville Flood, Cascades Volcano Observatory, January 22, 2003. Accessed August 18, 2008.
- "Fox Agrees to Broadcast Canyon Jumps in Live Competition", Magic Valley Times-News, May 14, 2014. Retrieved June 15, 2014.
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