Grindstone Quarry Trail–Overland Loop Trail, 5 sights

12.9 mi · ▲ 1,487 ft · 5 hr 3 min

Grindstone Quarry Trail–Overland Loop Trail, 5 sights is a 12.9-mile out-and-back near Altona, CO. It climbs 1,487 ft and is mostly dirt. It scores 33/100 on the Ambleway Wildness scale: green fringe.

Elevation

0 mi5,706 – 6,710 ft13.5 mi

Getting there

Trailhead: Geer Canyon Connector 40.14652, -105.29989
Nearest town Altona, CO

Directions

AMBLEWAYwww.ambleway.com

Grindstone Quarry Trail–Overland Loop Trail, 5 sights

12.9 mi · ▲ 1,487 ft · 5 hr 3 min

Elevation 5,705–6,710 ft

Out & Back

Trailhead: Geer Canyon Connector · 40.14652, -105.29989

Weather Sep 4: sunrise 6:33 AM · sunset 7:30 PM

Toilets at the trailhead

  1. Start on Geer Canyon Connector, heading S.
  2. 400 ftBear right onto Overland Loop Trail, heading W.
  3. 0.9 miBear left, heading E.
  4. 50 ftBear left onto Schoolhouse Loop, heading E.
  5. 200 ftTurn left, heading NE.
  6. 50 ftSharp left, heading E.
  7. 1.4 miContinue straight onto Lichen Loop Trail, heading S.
  8. 0.4 miBear left onto Lichen Loop, heading N.
  9. 300 ftBear right onto Wapiti Trail, heading N.
  10. 2.4 miTurn right onto Ponderosa Loop Trail, heading N.
  11. 0.1 miSharp right onto Wild Turkey Loop Trail, heading N.
  12. 1 miReach Overland Loop Trail, then turn around and head back the way you came.
  13. 1 miSharp left onto Ponderosa Loop Trail, heading N.
  14. 0.1 miTurn left onto Wapiti Trail, heading N.
  15. 2.4 miBear left onto Lichen Loop, heading SE.
  16. 300 ftBear right onto Lichen Loop Trail, heading SW.
  17. 0.4 miContinue straight onto Grindstone Quarry Trail, heading S.
  18. 1.4 miSharp right, heading N.
  19. 50 ftTurn right onto Schoolhouse Loop, heading N.
  20. 50 ftSharp left, heading SE.
  21. 150 ftBear right, heading SE.
  22. 50 ftBear right onto Overland Loop Trail, heading SE.
  23. 0.9 miBear left onto Geer Canyon Connector, heading N.
  24. 50 ftArrive back at the trailhead.

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

Trail surface

94% dirt6% gravel

Weather

Sunrise 6:33 AMSunset 7:30 PM

Good to know

  • Toilets at the trailhead

More from Geer Canyon Connector Trailhead