Iowa trails · Main
Main
A 7.3-mile network in Iowa, with 73 ft of climbing. Reaches Lake Darling. Managed by the state.
Elevation profile
Most of the climbing sits in the final third — 56% of the ascent, between mile 8.5 and mile 12.7. It gives back about 220 ft along the way, so it rolls rather than climbing steadily.
3-D terrain
USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Reaches
- Lake Darling (lake)
Getting there
Main access. 41.18741, -91.89803 · directions
Daylight at the trailhead
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 6:04 a.m., the sun rises at 6:32 a.m. and sets at 7:42 p.m., and the last usable light fades about 8:10 p.m. (CDT) — 13 h 10 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 7.3-mile route takes roughly 2 h 44 min, so leaving the trailhead at sunrise puts you back around 9:16 a.m. — 10 h 26 min before sunset.
Loop options
- Lake Shore Loop + Main — 2.9 mi loop, 107 ft gain
- Rubio Loop + Main — 4.4 mi loop, 161 ft gain
Nearby trails
- Fairfield Trail Loop — 12.4 mi
- Mount Pleasant Trail — 25.2 mi