Grindstone Quarry Trail is a 2.4 mile lightly trafficked out and back trail located near Boulder, Colorado that offers the chance to see wildlife and is good for all skill levels. The trail is primarily used for hiking and running.
hiking
running
forest
views
wildlife
Sort By
7 days ago
Completely snow covered on 2/9, no ice or mud. Saw some folks with snowshoes; we got by with spikes, which weren't even really needed. Some forestry equipment visible along the way. For all the comments on other trails in HVR: the trail closures are only Monday - Friday until 2/28.
