2.4 mi
Distance
545 ft
Elev. Gain
59m
Est. Time
Out & Back
Route Type
Moderate
Difficulty
About This Trail
Grindstone Quarry Trail is an out-and-back trail in Boulder County, Colorado. It is 2.4 miles long and gains 545 feet. It is in or next to Altona, Colorado.
From the trail data on this page.
Trail Conditions
Trail Conditions
We have no current condition data for this trail. Check with the operator before you go, and submit a report below if you've been recently.
No recent condition reports. Be the first to share what you see on the trail.
Elevation Profile
| Point | Distance from start | Elevation |
|---|---|---|
| Start | 0.0 mi | 1,745 ft |
| High point | 0.9 mi | 1,838 ft |
| End | 2.4 mi | 1,745 ft |
Trail Details
- Route Type
- Out & Back
Official sources & verification
Where it is
- Nearest town:
- Altona, CO · in or next to town
- County:
- Boulder County, CO
Nearest town and county from U.S. Census Bureau place records and county boundaries.
Reviews
No reviews yet
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Legacy import — verify before navigating
Path geometry came from our pre-launch legacy database. Routes have not yet been re-verified against the operator and may differ from the actual trail.
Nearby Trails
More trails near Grindstone Quarry Trail
Stay nearby
Campgrounds near this trail
Lefthand Canyon OHV Area
2.4 mi awayRoosevelt National Forest
Boulder, CO
Pricing varies — check with the operator
Boulder Ranger District, west of Boulder
7.3 mi awayBoulder, CO
Pricing varies — check with the operatorNational Forest
Ceran St. Vrain Trail Dispersed Camping
7.6 mi awayRoosevelt National Forest
Ward, CO
Dispersed
Similar length
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