Located on the south shore of Gross Reservoir, Osprey Trailhead provides access to the Inlet Trail. Gross Reservoir is managed by Denver Water . Please visit their website for regulations and additional...[more]
From Boulder, head west on Baseline Road. The road name changes to Flagstaff Road as it climbs up the mountain. After 8.6 miles, turn left onto Gross Dam Road and follow it as it heads down into the canyon and across South Boulder Creek. Turn right onto Denver Water Board Road and follow signs for Osprey Trailhead.
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