Trinidad Lake State Park is a state park west of Trinidad, Colorado, United States. The park protects Trinidad Lake, a dammed reservoir. There are hiking trails, and camping and boating opportunities. The park features historical attractions such as the coal mining ruins at Cokedale. An exposure of the Cretaceous–Paleogene boundary (K–Pg boundary) is visible in the southern part of the park. A portion of the mountain route of the Santa Fe Trail runs through the park. See also Fishers Peak State Park References External links State parks of Colorado Protected areas of Las Animas County, Colorado Protected areas established in 1980 1980 establishments in Colorado