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THE HISTORICAL
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“Bite-Size Bits of Local, National, and Global History”
Near Dubois in Fremont County, Wyoming — The American West (Mountains)
 

Union Pass

 
 
Union Pass Marker image. Click for full size.
Photographed by Barry Swackhamer, May 30, 2016
1. Union Pass Marker
Inscription.
Westbound Astorians led by Wilson Price Hunt in September, 1811, passed through Dubois region, over Union Pass, and on to the mouth of the Columbia River to explore a line of communication and to locate sites for fur trading posts across the continent for John Jacob Astor.
In the party were Mackenzie, Crooks, Miller, McClellen, Reed, 11 hunters, interpreters and guides; 45 Canadian engages, an Indian woman and her 2 children.

 
Erected 1956 by Historical Landmark Commission of Wyoming.
 
Topics. This historical marker is listed in these topic lists: ExplorationRoads & Vehicles.
 
Location. 43° 35.94′ N, 109° 47.094′ W. Marker is near Dubois, Wyoming, in Fremont County. It is at the intersection of U.S. 287 and Union Pass Road on U.S. 287. Touch for map. Marker is at or near this postal address: 4651 U.S Highway 287, Dubois WY 82513, United States of America. Touch for directions.

Regionally, this marker is in Wind River Country. It is also in the American Mountain West. Globally, it is in North America, the Rocky Mountains, the Western Hemisphere, the Western World, and the Anglosphere.

Other nearby markers. At least 8 other markers are within 10 miles of this marker, measured as the crow flies: A different marker also named Union Pass (a few steps from this marker); Tie Hack Memorial (approx. 7.8 miles away); a different marker also named Union Pass (approx. 9.3 miles away); Three Waters Mountain (approx. 9.3
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miles away); Wind River Range (approx. 9.3 miles away); Road through a Pass (approx. 9.3 miles away); The Ramshorn (approx. 9.3 miles away); Flora at Union Pass (approx. 9.3 miles away). Touch for a list and map of all markers in Dubois.
 
More about this marker. This marker may be hidden behind a gravel pile.
 
Union Pass Marker image. Click for full size.
Photographed by Barry Swackhamer, May 30, 2016
2. Union Pass Marker
 
 
Credits. This page was last revised on July 28, 2016. It was originally submitted on July 28, 2016, by Barry Swackhamer of Brentwood, California. This page has been viewed 587 times since then and 18 times this year. Photos:   1, 2. submitted on July 28, 2016, by Barry Swackhamer of Brentwood, California.
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Jun. 11, 2026