Where to Find Jasper in Illinois
4 mapped jasper rockhounding spots in Illinois, across 3 counties. Jasper is the opaque cousin of agate: silica-cemented, often vividly colored, and tough enough to take a high polish.
Map of 4 jasper rockhounding spots in Illinois
Jasper by county in Illinois
Counties ranked by number of jasper spots in our database.
Every jasper spot in Illinois
Sorted by county. Coordinates open in Google Maps. Click a row for details.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| FayvilleThebes Road | Alexander County | 37.1986, -89.4522 | Public | |
| ThebesOld Route 3 | Alexander County | 37.2393, -89.4422 | Public | |
| HamiltonSouth 9th Street | Hancock County | 40.3872, -91.3462 | Public | |
| Bishop HillCemetary Street | Henry County | 41.2051, -90.1152 | Public |
Jasper in Illinois FAQ
Where can I find jasper in Illinois?+
RockHoundR tracks 4 jasper spots in Illinois, spread across 3 counties. The strongest concentration is in Alexander County.
Is collecting jasper legal in Illinois?+
Casual hand collection of common rocks and minerals like jasper is allowed on most BLM and U.S. Forest Service land in Illinois, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always confirm rules before a trip.
What is the best jasper location in Illinois?+
Alexander County has the most jasper spots in our database for Illinois. The full county breakdown is below — different counties produce different qualities and varieties.
Other states for jasper
Hunt jasper in Illinois on the map
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