Cedar City: Agate & Moss Agate Rockhounding in Iron County, Utah

Updated June 2026

Cedar City is a mapped rockhounding spot in Iron County, Utah. Reported finds include agate, moss agate, chalcedony, jasper, petrified wood. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Iron County
State: Utah
Nearest road: Cedar Canyon Road
Postcode: 84721
Coordinates: 37.65123, -112.97492

Geology at Cedar City

This spot sits on Tropic Shale and Dakota Formations, undivided, mapped as fg to mg sandstone, siltstone, mudstone, and shale that formed roughly 100 to 90 million years ago. Sedimentary beds like these are the typical host for petrified and silicified wood, which weathers out as durable float on slopes and in washes.

Mapped unit: Tropic Shale and Dakota Formations, undivided
Age: 100–90 Ma (Late Cretaceous)
Rock types: fg to mg sandstone, siltstone, mudstone, and shale
Elevation: 6,680 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 Cedar City

Best months: March to November. Typical highs run 85°F in midsummer and 42°F in midwinter, with winter lows near 19°F.

Climate normals: NOAA 1991-2020 monthlies, CEDAR CITY 5E station (1 mi away), adjusted for elevation.

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 Cedar City

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 Cedar City.

Across the state line from Cedar City

Cedar City 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.

PanacaLincoln County, Nevada · 76 mi awayChalcedony, Chert, Flint

Cedar City FAQ

Where is Cedar City?+

Cedar City is in Iron County, Utah, at 37.65123, -112.97492. Nearest road: Cedar Canyon Road.

What rocks and minerals can you find at Cedar City?+

Cedar City is reported to produce Agate, Moss Agate, Chalcedony, Jasper, Petrified Wood.

Is collecting allowed at Cedar City?+

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 Cedar City?+

A rock hammer, sturdy gloves, and a padded bag cover petrified wood hunting. Most pieces are surface float, so walking slopes and washes beats digging.

When is the best time to visit Cedar City?+

The most comfortable months at Cedar City are March to November.

How do I get to Cedar City?+

Open the directions link to navigate to 37.65123, -112.97492 in Google Maps. The nearest road is Cedar Canyon Road.

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Open Cedar City on the map

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