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2015 Map of Opal Creek

Name: 2015 Topographic Map of Opal Creek
Creator: U.S. Geological Survey
Published: 2015
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2015

About this map

Yellowstone National Park encompasses this entire high-altitude landscape, dominated by the Absaroka Range and the broad sweep of the Lamar Valley. The region is defined by its complex drainage network, where the Lamar River meets tributaries such as Soda Butte Cr, Opal Cr, and Chalcedony Cr. The presence of the Fossil Forest indicates the area's significant geological heritage, preserved within the park's boundaries.

Backcountry access is documented through an established network of paths, including the Specimen Ridge Trail and the Lamar River Trail. These routes, along with the Lamar River Stock Cutoff Trail, illustrate the historical and modern movement of people and animals through this wilderness. The NE Entrance Rd serves as the primary corridor for vehicles, skirting the northern edge of this protected mountain terrain.