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Length: 6.5 milesTrail Begins: Road 8983Trail Ends: Upper Hannan GulchHannan Gulch Trail (240) follows an old seismic road most of its distance and is easy hiking. The last mile becomes moderately difficult. The gulch is open allowing for good views. Castle Reef rises impressively along the eastern side. The western ridge separates Hannan Gulch from Blacktail Gulch. Bear, deer and bighorn sheep inhabit the area. Trail vehicles permitted. Obtain a Forest Visitor's map to determine any travel restrictions.Area Map: Lewis and Clark (Rocky Mountain Division) USGS Map1: Castle ReefTownship 22N; Range 9W; Section 26
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Take the Sun Canyon Road 208 northwest from Augusta 22.5 miles. Turn north on gravel road cross the Sun River and proceed straight 0.5 mile to where the road forks. Take the east fork and park well off the road.
