Thunder Basin National Grassland
All National Forests
National Forest495K acres

Thunder Basin National Grassland

495K acres
Area
12
Nearby Trails
12
Activities
5
Campgrounds

About Thunder Basin National Grassland

Thunder Basin National Grassland sprawls across nearly 495,000 acres of open terrain in Wyoming, managed by the Forest Service as public land open to multiple uses. The landscape is characterized by native grassland interspersed with scattered ponderosa pine, offering wide-open vistas and relatively easy access compared to more mountainous public lands. Visitors will find dispersed camping throughout the grassland, fishing opportunities in its streams and water features, and a network of trails suitable for hiking and horseback riding. The grassland also supports hunting seasons for game species, and scenic driving routes provide an accessible way to explore the terrain.

Wildlife viewing and photography are popular pursuits across the grassland's open country. Access is straightforward from surrounding communities, and the terrain is generally rolling rather than alpine, making it a year-round destination with caveats. Summer and early fall offer the most reliable conditions and comfortable temperatures. Winter can bring snow and difficult travel conditions, while spring and late fall are transitional seasons with variable weather. Plan accordingly for the remote nature of the site and bring adequate supplies, as services within the grassland itself are limited.

Know before you go

Thunder Basin National Grassland
Sun & Moon

11:49 AM

Sunrise

7:07 PM

Solar Noon

2:26 AM

Sunset

Golden Hour AM → 12:30 PM

Golden Hour PM ← 1:45 AM

🌖

Waning Gibbous

97% illuminated

Live14h 37m of daylight
Thunder Basin National Grassland
Season
61days left

Peak Season End

Closes in 61 days

LiveJun 1 – Sep 30 · Based on historical averages
Thunder Basin National Grassland
Best Time to Visit
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A
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prime
good
shoulder
Off Season

JulyJuly conditions

LivePrime season: June – August

Nearby Trails

Things to Do

Campgrounds & Shelters

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Location

Thunder Basin National Grassland
43.7116°N, 104.9999°W
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