Fort Lupton had it beginning in
late 1836 as a log shelter for its builder, Lancaster Platt Lupton and his Mexican
laborers. The site chosen was approximately seven miles south of another fur trading fort
called Fort Vasquez. As this period was an active one for fort building and fur trading,
Fort Lupton eventually found itself on the southern end of four forts that were built on
the South Platte River, north of Denver, in what is now Colorado. They were all situated
along the old north-south trade route called the Trappers Trail. A permanent adobe
structure (then referred to as Fort Lancaster) probably was not begun until mid April
1837. Adobe bricks could not be "cured" in very cold weather and approximately
34,000 were needed to build the post! Although there are no contemporary descriptions of
the fort, from the ruins it was estimated to be approximately 125 feet by 150 feet with
walls fifteen to eighteen feet high, a north west circular tower stood several feet higher
than the walls, and "a bastion with portholes was conspicuous at the south-east
corner." The fort would have had living quarters for its manager as well as a
kitchen, blacksmith area, trading room, a corral and storage rooms. Shortly after Lupton
left in 1844, his financial backers, Hiram Rich and Albert G. Wilson closed the post.
Research is currently in place to determine more about the day to day activities at this
important fur trading post.
Lieutenant Lancaster Platt Lupton, Founder of Fort Lupton

Lancaster Platt Lupton was born in New York on September 21, 1807.
Although his parents lived in New York City where his father, William Lupton, Jr., was a
lawyer, his birth probably occurred in Walton, New York. This was the home of his maternal
grandparents, Isaac and Mary Townsend. The Townsends were prominent in New York history as
were the Luptons. Lancasters grandfather has been acknowledged as one of New York
Citys wealthiest merchants and a founder and trustee of the John Street Methodist
Chapel. Lancasters father, amidst financial difficulties, made an important decision
to obtain an appointment for his son to attend the West Point Military Academy. Both an
education and a career were thus made secure if his son could survive the strenuous
routines of the Academy. Fortunately, Lancaster graduated from the Academy in 1829 and
immediately began his military career. After six years on the frontiers of our country, he
resigned from the prestigious U.S. Dragoons and began a new life as a fur trader in what
is now Colorado.
Lancaster Lupton not only established Fort Lupton as a fur trading post but sometime in
late 1839 or early 1840 established another fur trading post. This was called Fort Platt
and it was located on the North Platte River about a mile from the successful fort we now
call Fort Laramie. He had taken for a bride a chiefs daughter named Tomas and the
home of her tribe was in this area. Unlike many fur traders unions with Indian
women, this marriage was permanent. When Fort Lupton ceased in its fur trading activity,
Lupton and Tomas moved to an area in southern Colorado near Pueblo called Hardscrabble. In
1849, they joined the gold seekers and moved to California. Six of their 8 children
survived and were raised primarily in Humboldt County, California. Lieutenant Lancaster
Lupton died October 1, 1885. Ironically one of those adobe walls of old Fort Lupton survived
for another 100 years spearheading an interest in rebuilding this old fort. Clay, straw,
and water has moved a society to create a contemporary learning center" a fortune of
survival.
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