The county's name comes from a trading fort on the Arkansas

The name on the county map comes from a fur-trade story that runs right through this part of the Arkansas River.

In the 1800s the Bent family ran an adobe trading post on the Arkansas, along the Santa Fe Trail. It was a place where traders, trappers, travelers, and Plains tribes, including the Cheyenne and Arapaho, came together to trade. The fort itself sat just to the west of today’s county line, near present-day La Junta, but the family’s name carried over to the county created later.

The National Park Service preserves a reconstruction of that trading post, Bent’s Old Fort National Historic Site. It is one of the clearest windows into how the Santa Fe Trail and the river shaped this region long before towns and farms took the shape they have now.

Because this is a place where Native nations and traders shared the same ground, the fuller history includes both cooperation and later conflict. It is worth reading from the agencies that steward it rather than from a single summary.

For the history of the fort and the people connected to it, start with the National Park Service and History Colorado.