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Recreation Region: Sulphur Ranger District

Green Ridge Boating Site

The Green Ridge Boating Site is located in the Arapaho National Recreation Area. There is a one lane boat ramp with a courtesy dock located at southern end of Shadow Mountain Reservoir. 

Boat inspections are required to inspect for zebra and quagga mussels. Access onto the water is available only when Colorado Parks & Wildlife inspectors are present.

General Information

Boat inspections are required. Access onto water available only when state inspectors are present.  

Boat inspections are required.

Day Use:
$5 per vehicle per day
$10 for three days
$15 for seven days
$30 annual pass

Parking in the Arapaho National Recreation Area requires a daily use fee. America the Beautiful Interagency Passes accepted.

Boats rentals are available at the marina on Shadow Mountain Reservoir.

Getting There

Latitude / Longitude

Latitude: 40.20614333

Longitude: -105.8490983

Directions

The boat ramp is located in the Arapaho National Recreation Area, 12 miles northwest of Granby on U.S. Highway 34, 1.5 miles east on County Road 66, Forest Road 274 (on Shadow Mountain Lake).

Parking

parking for vehicles with boat trailers

Facility and Amenity Information

Restrooms

Restrooms are available at this site.

Water

Potable water is not available at this site.

Last updated September 12, 2025