Indiana trails · Grubb Ridge Trail
Grubb Ridge Trail
A 13.3-mile loop in Indiana, with 336 ft of climbing. Reaches Blackwell Pond. Managed by the U.S. Forest Service.
Elevation profile
Most of the climbing sits in the final third — 64% of the ascent, between mile 8.9 and mile 13.3. It gives back about 550 ft along the way, so it rolls rather than climbing steadily.
3-D terrain
USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Reaches
- Blackwell Pond (lake)
Heads up
Getting there
GRUBB RIDGE TRAILHEAD — parking nearby, restroom, water. About 42 min drive (19 mi, 4 of them unpaved) from Bloomington. 39.03275, -86.34152 · directions
Daylight at the trailhead
On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 7:26 a.m., the sun rises at 7:53 a.m. and sets at 7:08 p.m., and the last usable light fades about 7:35 p.m. (EDT) — 11 h 15 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 13.3-mile route takes roughly 5 h 06 min, so leaving the trailhead at sunrise puts you back around 12:59 p.m. — 6 h 09 min before sunset.
Loop options
- Grubb Ridge Trail — 13.3 mi loop, 2,542 ft gain
- Grubb Ridge Trail + Cope Hollow Trail — 10.1 mi loop, 1,796 ft gain
- Grubb Ridge Trail + Grubb Ridge Loop — 12.0 mi loop, 2,273 ft gain
Nearby trails
- Cope Hollow Trail — 2.6 mi
- Hickory Ridge 2 — 5.3 mi
- Nebo Ridge Trail 1 — 5.9 mi
- Horse Trail B (Brown County State Park) — 9.6 mi