Wyoming trails · Bunsen Peak Trail
A 6.7-mile loop in Wyoming, with 1,365 ft of climbing. Reaches Bunsen Peak and other pass/summit/waterfall destinations. Managed by NPS – Yellowstone NP.
Most of the climbing sits in the middle third — 57% of the ascent, between mile 2.6 and mile 5.2. It gives back about 1,720 ft along the way, so it rolls rather than climbing steadily.
Bunsen Peak Trailhead — parking nearby. 44.93215, -110.72772 · directions
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 6:13 a.m., the sun rises at 6:43 a.m. and sets at 8:02 p.m., and the last usable light fades about 8:32 p.m. (MDT) — 13 h 19 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 6.7-mile route takes roughly 3 h 10 min, so leaving the trailhead at sunrise puts you back around 9:53 a.m. — 10 h 08 min before sunset.