Big Four Fault — Rockhounding in Crittenden County, Kentucky

Big Four Fault is a mapped rockhounding spot in Crittenden County, Kentucky. Reported finds include anglesite, cerussite, fluorite, galena, pyromorphite, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Crittenden County
State: Kentucky
Nearest road: KY 297
Postcode: 42064
Coordinates: 37.34972, -88.19261

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 Big Four Fault

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 Big Four Fault.

Across the state line from Big Four Fault

Big Four Fault is close enough to the Kentucky border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Big Four Fault FAQ

Where is Big Four Fault?+

Big Four Fault is in Crittenden County, Kentucky, at 37.34972, -88.19261. Nearest road: KY 297.

What rocks and minerals can you find at Big Four Fault?+

Big Four Fault is reported to produce Anglesite, Cerussite, Fluorite, Galena, Pyromorphite, Smithsonite, Smoky Quartz.

Is collecting allowed at Big Four Fault?+

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.

How do I get to Big Four Fault?+

Open the directions link to navigate to 37.34972, -88.19261 in Google Maps. The nearest road is KY 297.

More rockhounding in Kentucky

See all 36 Kentucky spots →

Open Big Four Fault on the map

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