Fort Wayne: Agate & Jasper Rockhounding in Allen County, Indiana
Updated June 2026
Fort Wayne is a mapped rockhounding spot in Allen County, Indiana. Reported finds include agate, jasper. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Fort Wayne in Allen County, Indiana
Quick details
- Access
- Public area
- County
- Allen County
- State
- Indiana
- Nearest road
- Lima Road
- Postcode
- 46808
- Coordinates
- 41.11815, -85.14942
Geology at Fort Wayne
This spot sits on ground mapped as Antrim Shale that formed roughly 420 to 360 million years ago. Tough silica like agate, jasper, and chert typically weathers out of beds like these and collects as float in drainages and on deflation surfaces.
- Mapped unit
- Antrim Shale
- Age
- 420–360 Ma (Devonian)
- Elevation
- 810 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.
Best time to visit Fort Wayne
Best months: March to November. Typical highs run 84°F in midsummer and 33°F in midwinter, with winter lows near 18°F.
Climate normals: NOAA 1991-2020 monthlies, FT WAYNE INTL AP station (10 mi away).
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 Fort Wayne
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 Fort Wayne.
- Maumee RiverTop pick in IndianaAllen County, Indiana · 3 mi awayAgate, Jasper, Fossilized Coral
- HuntingtonHuntington County, Indiana · 23 mi awayCalcite, Marcasite, Pyrite
- BlufftonWells County, Indiana · 24 mi awayDolomite, Marcasite, Pyrite
- ErieWabash County, Indiana · 45 mi awayGeode
- LogansportCass County, Indiana · 65 mi awayApatite, Calcite, Pyrite
- Williams CreekMarion County, Indiana · 100 mi awayAmethyst, Quartz
- Washington Park BeachTop pick in IndianaLaPorte County, Indiana · 101 mi awayAgate, Beach Glass, Leland Blue
- IndianapolisMarion County, Indiana · 112 mi awayMoonstone
Across the state line from Fort Wayne
Fort Wayne is close enough to the Indiana border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
