Graves County: Agate & Chalcedony Rockhounding in Graves County, Kentucky

Plan your visit

Generally open to casual rockhounding

County

Graves County

State

Kentucky

Nearest road

KY 121

Postcode

42066

Coordinates

36.67052, -88.54171

Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.

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.

Access note: Commercial sand and gravel pits are private and require the operator's permission before entry. Public collecting is realistic along the Kentucky Lake shoreline and public road right-of-ways. Obtain consent before entering any pit or private tract.

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.

Best time to visit Graves County

Comfortable months (45 to 90°F highs)

Conditions here are workable year-round, with typical highs from 45°F in winter to 89°F in summer.

Climate normals: NOAA 1991-2020 monthlies, MURRAY station (14 mi away).

Geology at Graves County

This spot sits on Alluvium, mapped as silt | sand | gravel that formed within roughly the last 3 million years. Petrified wood typically travels as tough float, and worked gravels like these are exactly where weathered pieces tend to collect.

Mapped unit

Alluvium

Age

3 Ma to present (Quaternary)

Rock types

silt | sand | gravel

Elevation

540 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.

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.

• Kentucky Geological Survey
• Ben E. Clement Mineral Museum
• Daniel Boone National Forest
• Community submissions reviewed against published agency rules