Newcastle: Geode Digging in Iron County, Utah

Updated June 2026

Newcastle is a mapped rockhounding spot in Iron County, Utah. Reported finds include geode. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Iron County
State: Utah
Nearest road: Pinto Canyon Road
Coordinates: 37.65854, -113.54340

Geology at Newcastle

This spot sits on ground mapped as middle piedmont-slope alluvium that formed within roughly the last 3 million years. Geodes weather out of their host rock and collect in gravels like these, where their round shape and light heft help them stand out.

Mapped unit: middle piedmont-slope alluvium
Age: 3 Ma to present (Quaternary)
Elevation: 5,560 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 Newcastle

Best months: February to June. Typical highs run 91°F in midsummer and 43°F in midwinter, with winter lows near 12°F.

Climate normals: NOAA 1991-2020 monthlies, ENTERPRISE BERYL JCT station (10 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 Newcastle

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

Geode Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Newcastle.

Across the state line from Newcastle

Newcastle 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.

Newcastle FAQ

Where is Newcastle?+

Newcastle is in Iron County, Utah, at 37.65854, -113.54340. Nearest road: Pinto Canyon Road.

What rocks and minerals can you find at Newcastle?+

Newcastle is reported to produce Geode.

Is collecting allowed at Newcastle?+

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 Newcastle?+

Bring a crack hammer, a chisel, safety glasses, and a bucket. Candidates are rounder and lighter than solid rock; a soil pipe cutter opens them cleaner than a flat smash.

When is the best time to visit Newcastle?+

The most comfortable months at Newcastle are February to June.

How do I get to Newcastle?+

Open the directions link to navigate to 37.65854, -113.54340 in Google Maps. The nearest road is Pinto Canyon Road.

More rockhounding in Utah

See all 246 Utah spots →

Open Newcastle on the map

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