Colorado trails · East Marvine Trail
A 10.0-mile out-and-back in Colorado, with 3,077 ft of climbing, topping out at 11,188 ft. Reaches Johnson Lake and other lake destinations. Managed by USFS Blanco Ranger District.
The climbing is spread fairly evenly along the route.

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Marvine Trailhead — parking nearby, restroom. 40.00892, -107.42514 · directions
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 6:08 a.m., the sun rises at 6:36 a.m. and sets at 7:43 p.m., and the last usable light fades about 8:10 p.m. (MDT) — 13 h 07 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 20.0-mile round trip takes roughly 10 h 29 min, so leaving the trailhead at sunrise puts you back around 5:04 p.m. — 2 h 38 min before sunset.