Few details were immediately available but a sheriff's office spokesperson said the avalanche was triggered around 4:45 p.m.
The weather service is working with the Kachina Peaks Avalanche Center to increase public safety for the Flagstaff community.
The slide happened on Gravel Mountain near Grand Lake just before 2:30 p.m. The Colorado Avalanche Information Center said ...
Trailhead - Avalanche Picnic Area Length - .8-mile Round trip Loop Trail Elevation Gain - Minimal/flat Location - 5.5 miles ...