Where to Find Agate in Missouri
Missouri has 6 mapped collecting spots that report agate, spread across 6 counties. 6 of the spots are on land mapped as publicly accessible.
Every agate spot we track in Missouri
Best spotGallatinDaviess County, MissouriPublic access · Agate, Chalcedony, Jasper +2
Best spotLa GrangeLewis County, MissouriPublic access · Agate, Chalcedony, Jasper
Best spotWarsawBenton County, MissouriPublic access · Agate, Chert, Mozarkite
GreenfieldDade County, MissouriPublic access · Agate, Chert, Petrified Wood
Cape Girardeau CountyCape Girardeau County, MissouriPublic access · Agate, Petrified Wood
Marble Hill E General AreaBollinger County, MissouriPublic access · Agate, Petrified Wood
Standout agate spots in Missouri
Hand-picked from the full list above, with the reason each one earns a trip.
Warsaw
Benton County
Warsaw anchors the southern end of the Benton County mozarkite belt and sits on the Harry S. Truman Reservoir, where falling lake levels expose chert and mozarkite cobbles along the shoreline.
Gallatin
Daviess County
Gallatin sits on the Grand River in glaciated Daviess County, and the river gravels here are a documented source of petrified wood, agate, jasper, and chalcedony reworked from glacial drift.
La Grange
Lewis County
The Mississippi River gravels around La Grange in Lewis County carry gem-quality agate, chalcedony, jasper, petrified wood, and the occasional Keokuk geode, all concentrated by the river and reworked glacial drift.
Best counties for agate in Missouri
Ranked by the number of mapped agate spots. County links open the full rockhounding page for that county.
- Benton County1 spot
- Bollinger County1 spot
- Cape Girardeau County1 spot
- Dade County1 spot
- Daviess County1 spot
- Lewis County1 spot
Before you go
Read the agate identification guide so you know what a keeper looks like in the field: Agate in the encyclopedia.
