Pike and San Isabel National Forests Rangers >> The Forests are located in central Colorado and were administratively combined in 1973. The Forests cover a little more than two million acres and are comprised of six ranger districts: Leadville, Pikes Peak, Salida, San Carlos, South Park, and South Platte. >> >> Includes Cimarron and Comanche National Grasslands >> Museum volunteers have worked with the National Forest to compile a list of District Rangers, by Ranger Districts. >> See the attached PDF for the list of district rangers.