Montana trails · Sentinel Creek Trail
A 10.3-mile out-and-back in Montana, with 2,744 ft of climbing. Reaches Crag Lake and other lake destinations.
The climbing is spread fairly evenly along the route.

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
POTOMAGETON PARK — parking nearby, restroom, water. About 2 h 17 min drive (99 mi) from Bozeman. 44.92747, -111.36015 · directions
On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 7:10 a.m., the sun rises at 7:39 a.m. and sets at 6:42 p.m., and the last usable light fades about 7:12 p.m. (MDT) — 11 h 03 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 20.7-mile round trip takes roughly 10 h 25 min, so leaving the trailhead at sunrise puts you back around 6:04 p.m. — 38 min before sunset.