(Attention campers: Simpson Springs Campground will be closed for construction from Aug. 1, 2021 through Nov. 30, 2021) Near the site of the Simpson Springs station on the Pony Express Trail, 5100 foot elevation, 20sites, 1-11 are available on recreation.gov, 12-19 is first come, first served sites, $15 per night, tables, fire pits, two vehicles per site, 8 persons per site, maximum equipment size: 30 feet, pit toile…