Hells Canyon Corridor, ID

US Forest Service

Hells Canyon Corridor

  [Larger version of map] Once called the “Grand Canyon of the Snake River,” the Hells Canyon corridor is known for its magnificent but extremely rugged landscape. It is the...[more]




Highway District Road 493, which intersects Highway 95 near White Bird and winds 20 miles to Pittsburg Landing, is one of two Idaho access points to the Snake River in Hells Canyon. The road is a single-lane gravel road with steep grades and tight switchbacks. The other Idaho access point to the Snake River is County Road 71, which intersects Highway 95 at Cambridge and traverses 65 miles to Copperfield where it meets the Idaho Power Company Road to Hells Canyon Creek. This paved two-lane road twists through ranch land to Oxbow Dam, where it follows the Snake River to Hells Canyon Dam. At Hells Canyon Dam the road crosses to the Oregon side of the canyon and ends 1.5 miles at the Hells Canyon Creek Recreation Site. Access to the Hells Canyon Wilderness in the Seven Devils Mountains is from Forest Road 517 near Riggins. The steep and winding single-lane gravel road is not recommended for RVs or vehicles towing camping trailers.

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