Boyd Lake State Park is a state park in the U.S. state of Colorado, located north of Loveland, Colorado. It became a state recreation area under the Colorado Division of Game, Fish, and Parks in 1965. The park sometimes holds events for the public including fishing derbies and clinics, education programs, and volunteer projects. Activities permitted within the park include boating, fishing, picnicking, swimming, hiking, biking, and hunting. The park's centerpiece, Boyd Lake, is 1,700 acres.