The trail is out and back (~3.5 miles each way). It gradually climbs up the Truman Gulch drainage through a great shady patch of trees. Most of the year there is a creek flowing with a few crossings. The lower half is not very technical and climbs gradually. The upper half climbs more noticeably, with a couple tough sections and much more rocks & roots. The end of the trail is a large meadow that intersects a trail that runs North/South along the Bridger range with outlets in near every drainage. DO NOT ride that trail, it is super super tough and technical. The ride out of Truman is fast, with the top half needing some care so as not to super man off your bike. The lower half is incredibly fast, with little in the way of rocks or roots, but lots of twists and turns. Easily my second favorite ride around Bozeman, next to Emerald Lake.