Fort Lupton, located in the city of the same name, was a trading post from 1836 or 1837 to 1844. After operating as a stage coach station and used as a house, the building fell into disrepair and crumbled to all but a portion of one wall by the early 20th century. The trading post has been reconstructed yards away from its original site and is now part of the South Platte Historical Park in northwestern Fort Lupton, Colorado.