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John Grubb Ridge–Frank Grubb Ridge, 4 summits is a 9.6-mile out-and-back near Yellowstone, IN. The route passes Frank Grubb Ridge and John Grubb Ridge. It climbs 769 ft and is mostly dirt. It scores 87/100 on the Ambleway Wildness scale: genuinely wild.

Elevation

0 mi551 – 899 ft10.1 mi

Getting there

Trailhead: Martin Hollow Trail 39.03484, -86.32112
Nearest town Yellowstone, IN

Directions

AMBLEWAYwww.ambleway.com

John Grubb Ridge–Frank Grubb Ridge, 4 summits

9.6 mi · ▲ 769 ft · 3 hr 35 min

Elevation 552–898 ft

Out & Back

Trailhead: Martin Hollow Trail · 39.03484, -86.32112

Weather Sep 20: sunrise 7:32 AM · sunset 7:47 PM

Parking lot at the trailhead

  1. Start on Terrill Ridge Trail, heading N.
  2. 0.4 miTurn left onto Axsom Branch Trail, heading NW.
  3. 1.1 miTurn left, heading NW.
  4. 1.3 miBear right onto Grubb Ridge Wilderness Road, heading W.
  5. 0.3 miPass Frank Grubb Ridge.
  6. 50 ftContinue straight onto Grubb Ridge Trail, heading NW.
  7. 0.4 miContinue straight onto Grubb Ridge Wilderness Road, heading NE.
  8. 50 ftContinue straight onto Grubb Ridge Trail, heading NE.
  9. 0.1 miPass John Grubb Ridge.
  10. 0.2 miContinue straight onto Grubb Ridge Wilderness Road, heading W.
  11. 350 ftBear left onto Grubb Ridge Trail, heading W.
  12. 0.1 miBear left onto Grubb Ridge Wilderness Road, heading NW.
  13. 50 ftContinue straight onto Grubb Ridge Trail, heading NW.
  14. 0.7 miReach John Grubb Ridge, then turn around and head back the way you came.
  15. 0.7 miContinue straight onto Grubb Ridge Wilderness Road, heading S.
  16. 50 ftBear right onto Grubb Ridge Trail, heading S.
  17. 0.1 miBear right onto Grubb Ridge Wilderness Road, heading E.
  18. 350 ftContinue straight onto Grubb Ridge Trail, heading SE.
  19. 0.3 miContinue straight onto Grubb Ridge Wilderness Road, heading SE.
  20. 50 ftContinue straight onto Grubb Ridge Trail, heading E.
  21. 0.4 miContinue straight onto Grubb Ridge Wilderness Road, heading SW.
  22. 0.3 miBear left onto Axsom Branch Trail, heading S.
  23. 1.3 miBear left, heading N.
  24. 1.2 miTurn right onto Terrill Ridge Trail, heading E.
  25. 0.4 miArrive back at the trailhead.

Each distance is the walk from the previous step. Tap a step for a map of its junction.

Trail surface

97% dirt3% unspecified

Weather

Sunrise 7:32 AMSunset 7:47 PM

Good to know

  • Parking lot at the trailhead

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