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Hells Canyon |
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Hells CanyonGorge of the Snake River in the U.S. Forming part of the Idaho-Oregon boundary, it is 125 mi (200 km) long and for 40 mi (64 km) is more than a mile deep. A maximum depth of 7,900 ft (2,400 m) makes it the deepest gorge in North America. With its surrounding area of 662,000 acres (268,000 hectares), Hells Canyon was designated a national recreation area in 1975. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The draining of Lake Idaho was a consequence of headward erosion of ancestral Hells Canyon by the Snake-Salmon river system coupled with Lake Idaho overtopping a divide and draining northward through the ancestral Hells Canyon. Helens, Mount Hood, Hells Canyon or Fort Clatsop might do better to plan an independent trip to the Pacific Northwest. Commissioners declared that the county had jurisdiction over federal lands within its boundaries "and any federal action, like restricting grazing in Hells Canyon National Recreation Area to protect bighorn sheep, could be ruled null and void by them . |
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