Cuthbertson Mountain: Hematite & Pyrolusite Rockhounding in Iron County, Missouri

Updated June 2026

Cuthbertson Mountain is a mapped rockhounding spot in Iron County, Missouri. Reported finds include hematite, pyrolusite, chalcopyrite, copper, epidote, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Iron County
State: Missouri
Nearest road: Berryman Road
Coordinates: 37.54222, -90.65117

Geology at Cuthbertson Mountain

This spot sits on St. Francois mountains volcanic supergroup, mapped as rhyolite that formed roughly 1600 to 1000 million years ago. Copper minerals such as malachite and chrysocolla typically show up where mineralized rock like this has weathered and oxidized near old workings.

Mapped unit: St. Francois mountains volcanic supergroup
Age: 1600–1000 Ma (Mesoproterozoic)
Rock types: rhyolite
Elevation: 1,380 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 Cuthbertson Mountain

Best months: February to November. Typical highs run 86°F in midsummer and 39°F in midwinter, with winter lows near 18°F.

Climate normals: NOAA 1991-2020 monthlies, FREDERICKTOWN station (19 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.

Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.

Found at Cuthbertson 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 Cuthbertson Mountain.

Across the state line from Cuthbertson Mountain

Cuthbertson Mountain is close enough to the Missouri border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Cuthbertson Mountain FAQ

Where is Cuthbertson Mountain?+

Cuthbertson Mountain is in Iron County, Missouri, at 37.54222, -90.65117. Nearest road: Berryman Road.

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

Cuthbertson Mountain is reported to produce Hematite, Pyrolusite, Chalcopyrite, Copper, Epidote, Garnet, Malachite.

Is collecting allowed at Cuthbertson 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 Cuthbertson 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 Cuthbertson Mountain?+

The most comfortable months at Cuthbertson Mountain are February to November.

How do I get to Cuthbertson Mountain?+

Open the directions link to navigate to 37.54222, -90.65117 in Google Maps. The nearest road is Berryman Road.

More rockhounding in Missouri

See all 94 Missouri spots →

Open Cuthbertson Mountain on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.