Spillman Creek — Rockhounding in Hancock County, Illinois
Spillman Creek is a mapped rockhounding spot in Hancock County, Illinois. Reported finds include geode, pyrite, chalcedony, sphalerite, quartz. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Spillman Creek in Hancock County, Illinois
Quick details
- Access
- Public area
- County
- Hancock County
- State
- Illinois
- Nearest road
- North County Road 1540
- Postcode
- 62358
- Coordinates
- 40.61633, -91.20302
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 Spillman Creek
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 Spillman Creek.
- Dallas CityHancock County, Illinois · 2 mi awayGeode, Calcite, Malachite
- Tyson CreekHancock County, Illinois · 5 mi awayGeode
- NiotaHancock County, Illinois · 5 mi awayFossils, Geode
- NauvooHancock County, Illinois · 10 mi awayGeode
- Terre HauteHenderson County, Illinois · 12 mi awayFossils
- HamiltonHancock County, Illinois · 18 mi awayAgate, Jasper, Geode
- Hamilton QuarryHancock County, Illinois · 18 mi awayGeode, Pyrite, Calcite
- Mississippi River (near Hamilton)Hancock County, Illinois · 19 mi awayGeode, Amethyst, Quartz
Across the state line from Spillman Creek
Spillman Creek is close enough to the Illinois border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
- Burlington (Lake Superior agate)Des Moines County, Iowa · 16 mi awayLake Superior Agate
- Burlington (geodes)Des Moines County, Iowa · 17 mi awayLake Superior Agate, Quartz, Geode
- Hamilton (west)Lee County, Iowa · 18 mi awayGeode
- DonnellsonLee County, Iowa · 19 mi awayGeode
- LowellHenry County, Iowa · 19 mi awayKeokuk Geode
- KeokukLee County, Iowa · 21 mi awayKeokuk Geode, Calcite, Chalcedony
