Cannonville: Anhydrite & Gypsum Rockhounding in Garfield County, Utah

Updated June 2026

Cannonville is a mapped rockhounding spot in Garfield County, Utah. Reported finds include anhydrite, gypsum. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Garfield County
State: Utah
Nearest road: 2nd South Street
Postcode: 84718
Coordinates: 37.56296, -112.04851

Geology at Cannonville

This spot sits on Stream alluvium, mapped as clay to boulder sized clasts that formed within roughly the last 12,000 years. Loose deposits like these are float-collecting ground: erosion keeps moving durable rocks and minerals into gravel bars, cutbanks, and washes.

Mapped unit: Stream alluvium
Age: < 1 Ma (Holocene)
Rock types: clay to boulder sized clasts
Elevation: 5,850 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 Cannonville

Best months: January to November. Typical highs run 90°F in midsummer and 45°F in midwinter, with winter lows near 15°F.

Climate normals: NOAA 1991-2020 monthlies, KODACHROME BASIN PARK station (5 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 Cannonville

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 Cannonville.

Cannonville FAQ

Where is Cannonville?+

Cannonville is in Garfield County, Utah, at 37.56296, -112.04851. Nearest road: 2nd South Street.

What rocks and minerals can you find at Cannonville?+

Cannonville is reported to produce Anhydrite, Gypsum.

Is collecting allowed at Cannonville?+

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 Cannonville?+

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 Cannonville?+

The most comfortable months at Cannonville are January to November.

How do I get to Cannonville?+

Open the directions link to navigate to 37.56296, -112.04851 in Google Maps. The nearest road is 2nd South Street.

More rockhounding in Utah

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Open Cannonville on the map

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