Ultimate 4wd destination: Hells Half Acre Mountain in ID
Hells Half Acre Mountain is a high mountain peak at an elevation of 2.474m (8,116ft) above the sea level located in Idaho County, in the U.S. state of Idaho.
Set high in the Bitterroot National Forest, the road to the summit is totally unpaved. 4x4 vehicle required. Always check the weather forecast before you start your journey: adverse conditions are common. At the summit there’s a fire lookout built in 1960. It is regularly staffed during the fire season.
The road to the summit is very steep, hitting a 17.5% of maximum gradient through some of the ramps. Starting at Magruder Corridor Road, the ascent is 16km (10.0 miles) long. Over this distance the elevation gain is 937 meters. The average gradient is 5.85%.
Pic: David Adolphson