Illinois trails · One Horse Gap Lake
A 1.8-mile network in Illinois, with 40 ft of climbing. Reaches One Horse Gap Lake and other lake/pass destinations. Managed by the U.S. Forest Service.
Essentially flat — no sustained climb anywhere along its 1.9 miles.

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
ONE HORSE GAP LAKE access. 37.51674, -88.44361 · directions
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 5:56 a.m., the sun rises at 6:22 a.m. and sets at 7:24 p.m., and the last usable light fades about 7:51 p.m. (CDT) — 13 h 02 min of daylight.