Colorado trails · Ivy Creek Trail
A 11.9-mile out-and-back in Colorado, with 3,749 ft of climbing, topping out at 13,015 ft. Reaches South River Peak and other lake/summit destinations. Managed by USFS Divide Ranger District.
The climbing is spread fairly evenly along the route.

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Ivy Creek Trailhead — parking nearby, restroom. About 2 h 13 min drive (82 mi, 7 of them unpaved) from Alamosa. 37.68200, -106.99912 · directions
On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 6:48 a.m., the sun rises at 7:15 a.m. and sets at 6:32 p.m., and the last usable light fades about 6:58 p.m. (MDT) — 11 h 17 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 23.9-mile round trip works out to roughly 12 h 35 min of walking — more than a single day of daylight here, so plan it as an overnight or hike it in sections.