[4] The site was undoubtedly used by Native Americans and possibly the Fremont Indian cultures due to its good water supply.
[7][5][8] Simpson Springs was established as an Overland Mail station by George Chorpenning for mule train connection between Salt Lake City and Sacramento.
[5] It later became an important Pony Express, Overland Stage, and later, Wells Fargo stations on the trail through Utah desert.
[5] Simpson Springs gained national attention in 2009 in connection with suspicious circumstances involving the disappearance of Susan Cox Powell in December of that year.
She was last seen alive on the 6th and her husband, Joshua Powell, reported that later the same night (shortly after midnight) he had taken his two young sons camping at Simpson Springs and left her sleeping at their house in West Valley City, Utah.