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Recreation Region: Boulder Ranger District

Osprey Point Trailhead

Located on the south shore of Gross Reservoir, Osprey Point Trailhead provides access to the Inlet Trail.

Gross Reservoir is managed by Denver Water. Please visit their website for regulations and additional information.

The Inlet Trail traverses west across the steep ridge south of Gross Reservoir and below the railroad tracks. This one-mile trail leads from Osprey Point Trailhead to Gross Reservoir's inlet at South Boulder Creek.

Gross Reservoir is managed by Denver Water. Please visit their website for regulations and additional information.

General Information

Non-motorized uses only.

This area is subject to regulations established by Denver Water Board.

Denver Water does not allow overnight parking. 

Fishing is permitted in accordance with regulations established by Colorado Parks & Wildlife.

Dogs must be on a hand-held leash.

Getting There

Latitude / Longitude

Latitude: 39.93682805

Longitude: -105.3712781

Elevation

7,292 feet at Osprey Point TH; 7,523 feet at inlet

Directions

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.

Parking

Denver Water does not allow overnight parking. 

Facility and Amenity Information

Restrooms

Restrooms are not available at this site.

Recreation Opportunities

Last updated March 26th, 2025