South Fork Callahan Trail (154) follows the creek and passes through old growth stands. Open areas are available where the Smith Mountain fire burned down to the creek, and remnants of an old log chute used to send logs down the valley to Troy are noticeable.Length: 3.5 milesTrail Begins: Road 4541Trail Ends: Lake DarlingArea Map: Kootenai National Forest Visitors Map USGS Map 1: Smith MountainTownship 58N, Range 3W, Section 9