Finger Lakes State Park: Aragonite & Copiapite Rockhounding in Boone County, Missouri

Updated June 2026

Finger Lakes State Park is a mapped rockhounding spot in Boone County, Missouri. Reported finds include aragonite, copiapite, gypsum, halotrichite, marcasite, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Boone County
State: Missouri
Nearest road: East Peabody Haul Road
Postcode: 65202
Coordinates: 39.08028, -92.30311

Geology at Finger Lakes State Park

This spot sits on Cherokee Group - Cabaniss Subgroup, Krebs Subgroup, mapped as shale, sandstone, and siltstone that formed roughly 325 to 300 million years ago. Sedimentary rock like this erodes unevenly, so the most productive collecting is typically along fresh cuts, badland slopes, and active drainages.

Mapped unit: Cherokee Group - Cabaniss Subgroup, Krebs Subgroup
Age: 325–300 Ma (Pennsylvanian)
Rock types: shale, sandstone, and siltstone
Elevation: 730 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.

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 Finger Lakes State Park

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 Finger Lakes State Park.

Finger Lakes State Park FAQ

Where is Finger Lakes State Park?+

Finger Lakes State Park is in Boone County, Missouri, at 39.08028, -92.30311. Nearest road: East Peabody Haul Road.

What rocks and minerals can you find at Finger Lakes State Park?+

Finger Lakes State Park is reported to produce Aragonite, Copiapite, Gypsum, Halotrichite, Marcasite, Melanterite, Pyrite.

Is collecting allowed at Finger Lakes State Park?+

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 Finger Lakes State Park?+

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.

How do I get to Finger Lakes State Park?+

Open the directions link to navigate to 39.08028, -92.30311 in Google Maps. The nearest road is East Peabody Haul Road.

More rockhounding in Missouri

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Open Finger Lakes State Park on the map

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