Montana trails · Brian Creek
A 2.9-mile out-and-back in Montana, with 748 ft of climbing. Reaches 05S45E18AACD01 Spring and other spring destinations. Managed by the U.S. Forest Service.
Most of the climbing sits in the final third — 63% of the ascent, between mile 2.0 and mile 2.9. It climbs almost continuously, with little descent to recover on.

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Brian Creek access. 45.40411, -106.24587 · directions
On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 6:49 a.m., the sun rises at 7:19 a.m. and sets at 6:21 p.m., and the last usable light fades about 6:51 p.m. (MDT) — 11 h 02 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 5.9-mile round trip takes roughly 2 h 56 min, so leaving the trailhead at sunrise puts you back around 10:15 a.m. — 8 h 06 min before sunset.