FossilOH
Huffman Quarry ¾ Miles Southeast Of The Insane Asylum, Southeastern Dayton
Fossil collection site in the Brassfield, Montgomery County, Ohio. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsRockhounding sites near Dayton
24 rockhounding collecting sites within about 90 miles of Dayton, Ohio.
This page lists 24 natural rockhounding sites near Dayton, Ohio, sorted by distance within about 90 miles.
Where can you collect near Dayton?
Near Dayton, Ohio, our directory maps 24 natural rockhounding sites within about 90 miles of the city center — including 1 gemstones and 23 fossilss. The closest mapped spot is Huffman Quarry ¾ Miles Southeast Of The Insane Asylum, Southeastern Dayton (4.8 mi straight-line). Distances are not drive time; open each listing for directions, fee notes, access rules, and safety context before you travel.
At a glance — rockhounding sites near Dayton
| Central place | Dayton, Ohio |
|---|---|
| Search radius | About 90 miles |
| Mapped spots | 24 |
| Closest listing | Huffman Quarry ¾ Miles Southeast Of The Insane Asylum, Southeastern Dayton (4.8 mi) |
| Specimen types | Gemstones (1), Fossils (23) |
| Typical fees | 24 varies |
All rockhounding sites near Dayton
24 rockhounding collecting sites in Ohio, sorted by distance from the city center. For live GPS sorting, use rockhounding sites near me.
FossilOH
Edgewood
Fossil collection site in the Waynesville, Warren County, Ohio. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
Roadcut Along Us 42, Near Mt. Holly, Waynesville Formation, T. Duseri Shale
Fossil collection site in the Waynesville, Greene County, Ohio. Environment: deep subtidal shelf. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
03-w42-a
Fossil collection site in the Waynesville, Warren County, Ohio. Environment: offshore ramp. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
04-brb-a
Fossil collection site in the Sunset, Butler County, Ohio. Environment: deep subtidal ramp. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
Overpeck Station
Fossil collection site, Butler County, Ohio. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
04-ccu-aa
Fossil collection site in the Waynesville, Warren County, Ohio. Environment: offshore ramp. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
03-cco-aa
Fossil collection site in the Waynesville, Warren County, Ohio. Environment: offshore ramp. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
Jonah's Run
Fossil collection site in the Liberty, Warren County, Ohio. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
Caesars Creek Lake, Southwestern Ohio, Waynesville Formation, T. Duseri Shale
Fossil collection site in the Waynesville, Warren County, Ohio. Environment: deep subtidal shelf. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
04-ff-aa
Fossil collection site in the Waynesville, Warren County, Ohio. Environment: offshore ramp. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
Stony Hollow, Southwestern Ohio, Waynesville Formation, T. Duseri Shale
Fossil collection site in the Waynesville, Clinton County, Ohio. Environment: deep subtidal shelf. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
04-lps-a
Fossil collection site in the Sunset, Butler County, Ohio. Environment: deep subtidal ramp. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
04-ltc-a
Fossil collection site in the Sunset, Butler County, Ohio. Environment: deep subtidal ramp. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
04-tyc-a
Fossil collection site in the Waynesville, Butler County, Ohio. Environment: offshore ramp. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
04-bp4-a
Fossil collection site in the Sunset, Butler County, Ohio. Environment: deep subtidal ramp. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
04-cde-a
Fossil collection site in the Sunset, Butler County, Ohio. Environment: deep subtidal ramp. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
Gano Rr Cut
Fossil collection site in the Fairview, Butler County, Ohio. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
Westboro
Fossil collection site in the Whitewater, Clinton County, Ohio. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
Allandale
Fossil collection site in the Fairview, Hamilton County, Ohio. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View details
DiamondOH
Milford
Milford is a documented mineral occurrence near OH. Reported specimens include Diamond. Verify land access and collecting rules before visiting.
View detailsFossilOH
Mt. Healthy
Fossil collection site in the McMillan, Hamilton County, Ohio. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
Lynchburg
Fossil collection site in the Whitewater, Highland County, Ohio. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilOH
Erie Ave
Fossil collection site in the Fairview, Hamilton County, Ohio. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsMap of rockhounding sites near Dayton
Pins within about 90 miles — open a listing for fees, access, and directions.
24 sites mapped near Dayton
Closest sites by distance
- Huffman Quarry ¾ Miles Southeast Of The Insane Asylum, Southeastern Dayton — 5 mi · Fossil
- Edgewood — 15 mi · Fossil
- Roadcut Along Us 42, Near Mt. Holly, Waynesville Formation, T. Duseri Shale — 16 mi · Fossil
- 03-w42-a — 16 mi · Fossil
- 04-brb-a — 17 mi · Fossil
- Overpeck Station — 19 mi · Fossil
- 04-ccu-aa — 20 mi · Fossil
- 03-cco-aa — 20 mi · Fossil
- Jonah's Run — 20 mi · Fossil
- Caesars Creek Lake, Southwestern Ohio, Waynesville Formation, T. Duseri Shale — 20 mi · Fossil
- 04-ff-aa — 21 mi · Fossil
- Stony Hollow, Southwestern Ohio, Waynesville Formation, T. Duseri Shale — 27 mi · Fossil
- 04-lps-a — 29 mi · Fossil
- 04-ltc-a — 29 mi · Fossil
- 04-tyc-a — 29 mi · Fossil
Types of rockhounding sites near Dayton
Browse by specimen type in Ohio — each link opens the full state directory for that category.
Gemstones (1)
Facetable and collector gems — emeralds, sapphires, garnets, topaz, beryl, and tourmaline localities.
Fossils (23)
Trilobites, brachiopods, petrified wood, and other paleontological collecting on public land.
Natural collecting sites in the Dayton area
Dayton is a practical launch point for day trips to natural rockhounding sites in Ohio. Within about 90 miles you will find 24 mapped destinations in our directory, starting with Huffman Quarry ¾ Miles Southeast Of The Insane Asylum, Southeastern Dayton about 4.8 mi from the city center.
The mix spans gemstones, fossils — related terms searchers use include creek gravel collecting, desert washes, road cuts, and field collecting.
How distances work near Dayton
Every card on this page is a verified directory entry in Ohio with map coordinates. We measure straight-line distance from the Dayton city center — not driving time. A creek rockhounding site 12 miles away on forest roads can take longer than a river access point 20 miles away on a highway.
Field collecting near Dayton includes informal gravel bars, dry washes, quarry faces, and developed park collecting areas. Rules, fees, and seasonal access differ by land manager. Never assume collecting is allowed without checking the listing and posted signs the day you visit.
Safety and field conditions near you
Field conditions near Dayton change after rain, snowmelt, and summer heat. Unstable slopes, heat exhaustion, loose rock, and flash floods are real risks at creek and quarry rockhounding sites — most sites have no supervision. Check weather and local advisories before you start digging.
We publish original planning copy, safety tips, and last-updated dates on each listing. See our editorial policy for sourcing standards, or contact us if access or conditions have changed.
Rockhounding sites near Dayton — FAQ
Where can you collect near Dayton?
Near Dayton, Ohio, our directory lists 24 natural rockhounding sites within about 90 miles — mainly 1 gemstones and 23 fossilss. Each listing links to directions, fee notes, and safety context. Use near me on your phone for live distance sorting from your location.
How many rockhounding sites are near Dayton, Ohio?
This page shows 24 mapped rockhounding collecting sites within about 90 miles of Dayton. The full Ohio directory may list additional holes farther out or awaiting coordinates. Counts update as we verify new listings.
What is the closest rockhounding site to Dayton?
The closest mapped spot to Dayton is Huffman Quarry ¾ Miles Southeast Of The Insane Asylum, Southeastern Dayton (4.8 mi straight-line). Open that listing for driving directions, access notes, and current fee information — unofficial holes can change without notice.
Are rockhounding sites near Dayton free?
24 have variable or unverified fees. Open each spot page for current fee details.
What types of rockhounding sites are near Dayton?
Near Dayton, documented specimen types include gemstones, fossilss. A rockhounding site is a natural outcrop, wash, or creek gravel bar — not a fee dig or shop. Filter by type on the Ohio state page or open each card for specimen and access details.
When is the best time to visit rockhounding sites near Dayton?
Late spring through early fall is the usual field season near Dayton, but snowmelt, drought, and weekend crowds change conditions week to week. Check each listing before you drive — storms can make washes and creek banks unsafe.
Is it safe to collect near Dayton?
Field collecting near Dayton carries real risks: unstable slopes, heat, loose rock, and no rangers at most unofficial sites. Check weather and posted warnings the day you visit. Read our rockhounding safety basics guide and each listing's safety section before you dig.
Listing data last updated across spots on this page.