The Lindenmeier site is a stratified multi-component archaeological site most famous for its Folsom component. The former Lindenmeier Ranch is in the Soapstone Prairie Natural Area, in northeastern Larimer County, Colorado, United States. The site contains the most extensive Folsom culture campsite yet found with a radiocarbon date of 10,600 to 10,720 B.P. Artifacts were also found from subsequent Archaic and Late pre-historic periods.