Grindstone Quarry Trail
3 mi · ▲ 319 ft · 1 hr 10 min
Grindstone Quarry Trail is a 3-mile out-and-back near Altona, CO. It climbs 319 ft and is mostly dirt. It scores 3/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi5,706 – 5,971 ft3.2 mi
Getting there
Trailhead: Lichen Loop 40.14794, -105.30014
Nearest town Altona, CO
Directions
AMBLEWAYwww.ambleway.com
Grindstone Quarry Trail
3 mi · ▲ 319 ft · 1 hr 10 min
Elevation 5,705–5,973 ft
Out & Back
Trailhead: Lichen Loop · 40.14794, -105.30014
Weather Sep 4: Overcast, high 89°F / low 60° · precip 6% · wind 7 mph · sunrise 6:33 AM · sunset 7:30 PM
Toilets at the trailhead · Parking lot at the trailhead
- Start on Lichen Loop, heading N.
- 500 ftSharp right onto Grindstone Quarry Trail, heading S.
- 1.4 miSharp right, heading SW.
- 50 ftTurn right onto Schoolhouse Loop, heading SW.
- 50 ftSharp left, heading SW.
- 150 ftBear right, heading W.
- 50 ftReach Grindstone Quarry Trail, then turn around and head back the way you came.
- 200 ftTurn left, heading NW.
- 50 ftSharp left, heading W.
- 1.4 miSharp left onto Lichen Loop Trail, heading N.
- 450 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
100% dirt
Weather
OvercastTemperature 89°F60°
Feels like78°Precip6%Wind7 mphUV7Humidity18%
Hourly temperature
90°60°
Sunrise 6:33 AM12 AM3 AM9 AM12 PM3 PMSunset 7:30 PM
Sat
88°68°
Sun
91°63°
22%
Mon
87°65°
29%
Tue
86°61°
20%
Wed
84°56°
28%
Thu
92°59°
32%
Good to know
- Toilets at the trailhead
- Parking lot at the trailhead
More from Lichen Loop Trailhead
- Lichen Loop Trail 2.3 mi · ▲ 394 ft
- Overland Loop Trail & Schoolhouse Loop Loop 2.3 mi · ▲ 168 ft
- Hidden Lake via Lichen Loop Trail 4.7 mi · ▲ 935 ft
- Hidden Lake via Wapiti Trail 4.8 mi · ▲ 866 ft
- Hidden Lake via Lichen Loop Trail 5 mi · ▲ 939 ft
- Wild Turkey Loop Trail 7.1 mi · ▲ 1,200 ft
Get outside more
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Hikes near Altona, Colorado