Sage Creek Junction in Rich County, Utah — The American Mountains (Southwest)

Idaho, Utah and Wyoming Intersect Point

Photographed by Jimmy Emerson, 2015

1. Idaho, Utah and Wyoming Intersect Point Marker

Inscription. This stone marks the intersect point established June 15, 1874, by A.V. Richards, U.S. astronomer and surveyor, on the 34th meridian west from the center of the old naval observatory dome in Washington, DC with the state boundary of Idaho and Utah (the 42nd parallel north), surveyed by Daniel G. Major, US astronomer on August 29, 1871.

The initial point monument of DG Major for the 42nd parallel north is located 7/10 of a mile east.

Contributions for this remonumentation were obtained from the federal government, states, counties and the private sector.

Topics. This historical marker is listed in this topic list: Political Subdivisions. A significant historical year for this entry is 1874.

Location. 42° 0.088′ N, 111° 2.81′ W. Marker is in Sage Creek Junction, Utah, in Rich County. It can be reached from no nearby road. The marker is located within Utah and is reached by turning west off of Cokeville-State Line Road south of Cokeville Wyoming onto Monument Road that becomes a dirt two track "road" once it crosses the Utah state line. Touch for map. Marker is in this post office area: Randolph UT 84064, United States of America. Touch for directions.

Regionally, this marker is in Utah’s Cache Valley

and in the Uinta Mountains.

It is also in the American Mountain West

and in Colorado Plateau.

Globally, it is in North America,

the Rocky Mountains,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Historically, it finds itself in what was once New Spain

and also Mexico’s Alta California.

Other nearby markers. At least 3 other markers are within 8 miles of this marker, measured as the crow flies: State Boundary Monument (approx. 7.3 miles away in Wyoming); Old Oregon Trail

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(approx. 7.7 miles away in Wyoming); Cokeville (approx. 7.9 miles away in Wyoming).

Photographed by Jimmy Emerson, 2015

2. Idaho, Utah and Wyoming Intersect Point Marker

Photographed by Jimmy Emerson, 2015

3. Idaho, Utah and Wyoming Intersect Point Marker

The marker is located in the saddle to the left of the trail that leads up the hill.

Credits. This page was last revised on January 6, 2026. It was originally submitted on November 12, 2025, by Jimmy Emerson of Dalton, Georgia. This page has been viewed 85 times since then and 56 times this year. Photos: 1, 2, 3. submitted on November 12, 2025, by Jimmy Emerson of Dalton, Georgia. • Andrew Ruppenstein was the editor who published this page.