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Grouse Creek Mountains: Epidote & Stolzite Rockhounding in Box Elder County, Utah

Public access3 mineralsBox Elder County, UtahUpdated June 2026
Minerals reported
3
Elevation
7,540 ft
Best months
April to October

Grouse Creek Mountains is a mapped rockhounding spot in Box Elder County, Utah. Reported finds include epidote, stolzite, scheelite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Plan your visit

Generally open to casual rockhounding

State
Utah
Nearest road
Imgham Pass Road
Get directionsView on Google Maps

Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.

Land & collecting status

Generally open to casual rockhounding

Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.

Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.

Best time to visit Grouse Creek Mountains

Comfortable months (45 to 90°F highs)

Best months: April to October. Typical highs run 80°F in midsummer and 27°F in midwinter, with winter lows near 5°F. At about 7,540 ft, snow can block access from late fall well into spring, so check conditions outside of summer.

Climate normals: NOAA 1991-2020 monthlies, GROUSE CREEK station (7 mi away), adjusted for elevation.

Geology at Grouse Creek Mountains

This spot sits on Chainman Shale, mapped as siltstone mudstone that formed roughly 360 to 325 million years ago. Sedimentary rock like this erodes unevenly, so the most productive collecting is typically along fresh cuts, badland slopes, and active drainages.

Mapped unit
Chainman Shale
Age
360–325 Ma (Mississippian)
Rock types
siltstone mudstone
Elevation
7,540 ft

Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.

Today's weather

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Sources & verification

Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.

State guidance last verified:

Found at Grouse Creek Mountains

Each name opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Nearby rockhounding spots

Other rockhounding spots within driving distance of Grouse Creek Mountains.

Across the state line from Grouse Creek Mountains

Grouse Creek Mountains is close enough to the Utah border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

  • Goose CreekElko County, Nevada · 26 mi awayPetrified Wood
  • AlmoCassia County, Idaho · 31 mi awayTopaz
  • CobreElko County, Nevada · 50 mi awayCopper, Lead Iron
  • General Area (near Jackpot, NV border)Twin Falls County, Idaho · 53 mi awayGeode
  • Rabbit SpringTwin Falls County, Idaho · 55 mi awayThunderegg
  • WendoverElko County, Nevada · 67 mi awayBischofite, Carnallite, Halite

Grouse Creek Mountains FAQ

Where is Grouse Creek Mountains?+
Grouse Creek Mountains is in Box Elder County, Utah, at 41.65642, -113.75335. Nearest road: Imgham Pass Road.
What rocks and minerals can you find at Grouse Creek Mountains?+
Grouse Creek Mountains is reported to produce Epidote, Stolzite, Scheelite.
Is collecting allowed at Grouse Creek Mountains?+
Generally open to casual rockhounding. Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig. Always confirm current rules with the managing agency before a trip.
What tools should I bring to Grouse Creek Mountains?+
A rock hammer, sturdy gloves, safety glasses, and a collecting bag cover the basics here. Add a spray bottle: wet rock shows color and pattern that dry rock hides.
When is the best time to visit Grouse Creek Mountains?+
The most comfortable months at Grouse Creek Mountains are April to October. At about 7,540 ft, snow can block access from late fall well into spring, so check conditions outside of summer.
How do I get to Grouse Creek Mountains?+
Open the directions link to navigate to 41.65642, -113.75335 in Google Maps. The nearest road is Imgham Pass Road.

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