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
- Start on Geer Canyon Connector, heading S.
- 400 ftBear right onto Overland Loop Trail, heading W.
- 0.9 miBear left, heading E.
- 50 ftBear left onto Schoolhouse Loop, heading E.
- 200 ftTurn left, heading NE.
- 50 ftSharp left, heading E.
- 1.4 miContinue straight onto Lichen Loop Trail, heading S.
- 0.4 miBear left onto Lichen Loop, heading N.
- 300 ftBear right onto Wapiti Trail, heading N.
- 2.4 miTurn right onto Ponderosa Loop Trail, heading N.
- 0.1 miSharp right onto Wild Turkey Loop Trail, heading N.
- 1 miReach Overland Loop Trail, then turn around and head back the way you came.
- 1 miSharp left onto Ponderosa Loop Trail, heading N.
- 0.1 miTurn left onto Wapiti Trail, heading N.
- 2.4 miBear left onto Lichen Loop, heading SE.
- 300 ftBear right onto Lichen Loop Trail, heading SW.
- 0.4 miContinue straight onto Grindstone Quarry Trail, heading S.
- 1.4 miSharp right, heading N.
- 50 ftTurn right onto Schoolhouse Loop, heading N.
- 50 ftSharp left, heading SE.
- 150 ftBear right, heading SE.
- 50 ftBear right onto Overland Loop Trail, heading SE.
- 0.9 miBear left onto Geer Canyon Connector, heading N.
- 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
- Overland Loop Trail & Schoolhouse Loop Loop 2.3 mi · ▲ 168 ft
- Grindstone Quarry Trail 3 mi · ▲ 319 ft
- Hidden Lake via Lichen Loop Trail 4.7 mi · ▲ 935 ft
- Hidden Lake via Lichen Loop Trail 5 mi · ▲ 939 ft
- Wild Turkey Loop Trail 7.3 mi · ▲ 1,241 ft
- Picture Rock Trail–Ponderosa Loop Trail, 4 sights 9.1 mi · ▲ 1,231 ft
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