Boyd Lake State Park, State park with reservoir in Loveland, US.

Boyd Lake State Park is a nature reserve with a large lake and recreational facilities near Loveland. The lake is surrounded by woodland and open areas where visitors can camp, hike, or fish.

Boyd Lake State Park became a state recreation area under the Colorado Division of Game, Fish, and Parks in 1965. Its centrepiece, Boyd Lake, covers 1,700 acres (6.9 km2) north of Loveland, Colorado.

Boyd Lake State Park sometimes holds public events such as fishing derbies and clinics, education programs and volunteer projects. The park is managed by Colorado Parks and Wildlife, and a sign at the site gives the Boyd Lake Park Office number, 970-669-1739, for emergencies.

The park lies just north of Loveland, about 4.8 km from the city, and its 1,700-acre lake is the centre of activity. A sign at the site lists seasonal rules: fishing allowed Sept. 16 - April 30, boats must be leashed at all times, and waist-deep wading is permitted. Camping, open fires and littering are prohibited, and the Boyd Lake Park Office can be reached at 970-669-1739.

Boyd Lake covers 1,700 acres, and the park was transferred to the Colorado Division of Game, Fish, and Parks as a state recreation area in 1965. The entrance sign lists a seasonal hunting window from September 16 to April 30, with leashed dogs permitted, and gives the Boyd Lake Park Office number, 970-669-1739, for emergencies.