Part of John Long Trail (21) is a closed road. From the West Fork of Tyler Saddle it's a single track trail that goes to the top of Sliderock Mountain. It connects with several trails on the Deerlodge Forest

.Length: 4.0 miles.Trail Begins: Trail head at Forest Service Road 1707.Trail Ends: Sliderock Lookout

Area Map: Lolo Forest Visitors Map .USGS Map1: Ravenna 15'.Township 10N; Range 15W; Section 7

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