Seminoe Mountains Mining District Loop
Uranium boom ghosts in Wyoming's high desert.
The Seminoe Mountains Mining District Loop winds through one of Wyoming’s most desolate and fascinating landscapes, where uranium and copper miners once scraped a living from the high desert. The route climbs through juniper and sagebrush country past the ruins of the Miracle Mile mining camp, where concrete foundations and rusted machinery mark failed dreams of atomic-age prosperity. Bradley Peak offers commanding views of the North Platte River valley and the Snowy Range beyond, while mine adits honeycomb the hillsides with reminders of boom and bust.
This moderate route requires high-clearance and works best with 4WD for the steeper climbs, though experienced drivers can manage in dry conditions with 2WD. Spring through fall is ideal, but watch for sudden weather changes at elevation. No permits needed and dispersed camping is unlimited on public land. Bring extra water – this is genuine high desert country. The appeal is pure solitude and the chance to explore Wyoming’s mining heritage in country most people never see.
Trail Specs
| Difficulty | Moderate |
|---|---|
| Trail Type | Overland Route |
| Surface | Mixed |
| Features | Camping, High Altitude, Historic, Remote |
| Length (miles) | 38 mi / 61.2 km |
| Duration | 1-2 days |
| Max elevation (ft) | 8100 ft |
| Best season | April-October |
| Minimum vehicle | High-clearance 2WD |
| Nearest town | Rawlins, Wyoming |
| Land manager | Bureau of Land Management |
| Permit required | No |
| Cell service | None |
| Water crossings | No |
| Dispersed camping | Yes |
| Start coordinates | |
| End coordinates | |
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Location
Trail Conditions
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Frequently asked questions
Can a stock Tacoma or 4Runner handle this trail, or do I need a lift?
A stock high-clearance 2WD truck or SUV can complete this loop under normal conditions. Lockers and a lift help on rougher sections but aren't required — the moderate rating reflects rocky two-track and loose desert surface, not technical obstacles.
When does the trail typically open and close for the season?
April through October is the reliable window. Spring can bring soft ground and washouts from snowmelt, so early April may be dicey depending on the year. Avoid after significant rain — Wyoming high desert clay turns into a mess fast.
Do I need a permit to run this loop or camp out here?
No permit required. It's BLM land and dispersed camping is free. Follow Leave No Trace and stay 200 feet from water sources, roads, and historic structures — the mining ruins are protected under federal antiquities law, so don't touch or remove anything.
What's the hardest section of the trail and what should I actually expect?
The roughest stretches are near the upper mine areas where the two-track deteriorates into loose shale and embedded rock approaching 8,100 feet. Nothing technically extreme, but ground clearance matters here and a mis-read line can put you on a rocker panel.
There's zero cell service — how far is the nearest gas and should I carry extra fuel?
Rawlins is your last stop for fuel, food, and any gear you forgot — it's roughly 30–40 miles from the trailhead. At 38 miles of two-track with the drive in and out, carry at least 5 extra gallons to be safe, especially if you're running a thirsty rig.
Trail track
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