Dutch Mountain: Augite & Azurite Rockhounding in Tooele County, Utah

Updated June 2026

Dutch Mountain is a mapped rockhounding spot in Tooele County, Utah. Reported finds include augite, azurite, cerussite, fluorite, galena, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Tooele County
State: Utah
Coordinates: 40.23492, -113.82628

Geology at Dutch Mountain

This spot sits on Prospect Mountain Quartzite, mapped as arenite that formed roughly 540 to 510 million years ago. Metamorphic rock like this weathers into resistant float, and minerals that survive transport typically concentrate in nearby drainages.

Mapped unit: Prospect Mountain Quartzite
Age: 540–510 Ma (Early Cambrian)
Rock types: arenite
Elevation: 5,420 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.

Best time to visit Dutch Mountain

Best months: September to June. Typical highs run 94°F in midsummer and 45°F in midwinter, with winter lows near 12°F.

Climate normals: NOAA 1991-2020 monthlies, IBAPAH station (18 mi away).

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.

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: April 1, 2026

BLM Utah, Rockhounding overview
Utah Geological Survey, collecting guidelines
SITLA, surface use rules
Community submissions reviewed against published agency rules

Found at Dutch Mountain

Each chip 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 Dutch Mountain.

Across the state line from Dutch Mountain

Dutch Mountain 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.

Dutch Mountain FAQ

Where is Dutch Mountain?+

Dutch Mountain is in Tooele County, Utah, at 40.23492, -113.82628.

What rocks and minerals can you find at Dutch Mountain?+

Dutch Mountain is reported to produce Augite, Azurite, Cerussite, Fluorite, Galena, Malachite.

Is collecting allowed at Dutch Mountain?+

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 Dutch Mountain?+

A rock hammer, gloves, and safety glasses are enough for oxidized copper ground. Look for green and blue staining on weathered rock and in old dump piles.

When is the best time to visit Dutch Mountain?+

The most comfortable months at Dutch Mountain are September to June.

How do I get to Dutch Mountain?+

Open the directions link to navigate to 40.23492, -113.82628 in Google Maps. Some spots are remote, so check road conditions before driving out.

More rockhounding in Utah

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Open Dutch Mountain on the map

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