Fort Reno (Wyoming)

Fort Reno (Wyoming)
Name	Fort Reno
Location	near present-day Arapahoe County, Converse County, Wyoming Territory
Coordinates	42°46′N 104°20′W
Type	United States Army post
Built	1865
Used	1865–1877
Controlled by	United States Army
Garrison	Buffalo Soldiers, Troop D, 5th Cavalry Regiment; elements of 7th Cavalry Regiment
Battles	Red Cloud's War, Black Hills War

Fort Reno (Wyoming) was a frontier United States Army post established in 1865 on the Powder River frontier during the westward expansion and conflicts between the United States and Indigenous nations. Located along the Powder River corridor in what was then Dakota Territory and later Wyoming Territory, the post played a role in protecting emigrant trails, supporting military campaigns, and enforcing federal Indian policy during a period that included the aftermath of the Sand Creek Massacre and the lead-up to the Battle of the Little Bighorn. Fort Reno's existence intersected with figures and units such as Philip Sheridan, George Crook, and the 9th Cavalry Regiment (United States).

History

Fort Reno emerged amid post-Civil War efforts to secure transcontinental routes and to project United States Army power into the northern Plains. The fort's founding coincided with strategic initiatives by commanders like Winfield Scott Hancock and Henry B. Carrington to establish cantonments along the Bozeman Trail and Powder River. It served as a logistical node during campaigns associated with Red Cloud, Crazy Horse, and later confrontations involving Sitting Bull and Lakota Sioux. Political decisions in Washington, D.C. and military directives from forts such as Fort Laramie shaped Fort Reno's operational tempo and mission set.

Establishment and Military Role

Authorized as part of a network of posts intended to secure mail routes, telegraph lines, and emigrant traffic, Fort Reno was established by detachments drawn from units including the 7th Infantry Regiment (United States). Its garrison provided escorts for Overland Trail wagon trains and guarded segments of the Bozeman Trail against raids attributed to bands affiliated with the Oglala Lakota, Northern Cheyenne, and Arapaho. The post supported expeditions led by officers such as Patrick Edward Connor and participated indirectly in campaigns that culminated in treaties like the Medicine Lodge Treaty and the Treaty of Fort Laramie (1868), even as those agreements altered strategic priorities for frontier forts.

Fort Layout and Facilities

Constructed using local timber and earthworks, Fort Reno comprised blockhouses, barracks, a parade ground, corrals, and supply depots typical of mid-19th century frontier posts. Workshops and veterinary facilities supported units such as the 6th U.S. Cavalry and supply trains connected to Fort Union (Wyoming) and Fort Bridger. The presence of sutler stores and chapels echoed arrangements at posts like Fort Phil Kearny and Fort McPherson (Nebraska), while telegraph links tied the post into a communication network reaching Cheyenne, Wyoming and Salt Lake City. Maps and engineering reports produced under the supervision of U.S. Army Corps of Engineers officers documented layout changes as missions shifted.

Garrison and Commanders

Fort Reno hosted a rotating roster of officers and enlisted personnel drawn from numbered infantry and cavalry regiments. Commanding officers who influenced operations included officers commissioned under figures like Ulysses S. Grant and reporting to departmental commanders such as Philip Sheridan. Units associated with the post included elements of the 9th Cavalry Regiment (United States), 10th Cavalry Regiment (United States), and volunteer companies raised in states like Kansas and Missouri. Notable personalities who passed through or coordinated with the post included scouts and guides connected to Bureau of Indian Affairs activities and civilian contractors involved in provisioning.

Interactions with Native American Tribes

Fort Reno's operational role placed it at the nexus of interactions—both hostile and diplomatic—with Indigenous nations including the Lakota, Cheyenne, and Arapaho. Patrols and escorts engaged in skirmishes recorded in contemporaneous reports, while peace commissioners and Indian agents such as John Evans and William Bent operated in the region attempting negotiations. Engagements linked to broader conflicts like Red Cloud's War and the Black Hills Gold Rush influenced patterns of raiding, treaty-making, and displacement that affected tribal communities and settler migration.

Decline, Abandonment, and Legacy

Shifts in strategic priorities, including the realignment following the Treaty of Fort Laramie (1868) and the reduction of frontier garrisons after the Great Sioux War of 1876–77, precipitated Fort Reno's decline. By the late 1870s the post was largely abandoned as units were consolidated into larger installations such as Fort Keogh and Fort Robinson. Remnants of the site entered the historical record through contemporary newspaper dispatches in papers like the Cheyenne Leader and military correspondence archived in repositories in Washington, D.C.. Fort Reno's role is reflected in regional histories alongside accounts of figures like George Armstrong Custer and cultural memory preserved by organizations such as the Wyoming State Historical Society.

Archaeology and Preservation

Archaeological surveys conducted by teams affiliated with institutions like Smithsonian Institution researchers and university departments have recorded building footprints, artifact scatters, and landscape features. Preservation efforts involve collaboration among state offices, local historical societies, and tribal historic preservation officers representing Northern Cheyenne Indian Reservation interests. Material culture recovered—uniform accoutrements, trade goods, and ordnance fragments—has informed interpretations published in journals and presented at conferences attended by scholars from University of Wyoming and Montana State University. Site protection measures align with statutes administered by agencies in Wyoming and national registers that document military heritage across the Plains.

Category:Military installations of the United States in Wyoming Category:1865 establishments in Wyoming Territory