Stephen Foster State Park: Agatized Coral Rockhounding in Hamilton County, Florida
Updated June 2026
Stephen Foster State Park is a mapped rockhounding spot in Hamilton County, Florida. Reported finds include agatized coral. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Stephen Foster State Park in Hamilton County, Florida
Quick details
- Access
- Public area
- County
- Hamilton County
- State
- Florida
- Nearest road
- Lillian Sanders Drive
- Postcode
- 32096
- Coordinates
- 30.33198, -82.76399
Geology at Stephen Foster State Park
This spot sits on Hawthorn Group, Statenville Formation, mapped as sand that formed roughly 16 to 5 million years ago. Reworked sediments like these can carry fossils eroded from older beds upstream, typically as rolled bone fragments, teeth, and shell material.
- Mapped unit
- Hawthorn Group, Statenville Formation
- Age
- 16–5 Ma (Middle Miocene to Late Miocene)
- Rock types
- sand
- Elevation
- 170 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 Stephen Foster State Park
Best months: September to May. Typical highs run 93°F in midsummer and 65°F in midwinter, with winter lows near 42°F.
Climate normals: NOAA 1991-2020 monthlies, WHITE SPRINGS 7N station (8 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 Stephen Foster State Park
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 Stephen Foster State Park.
- Suwannee RiverTop pick in FloridaHamilton County, Florida · 2 mi awayAgatized Coral
- Unnamed Area (Agatized Coral)Hamilton County, Florida · 9 mi awayAgatized Coral
- Suwannee River (North)Suwannee County, Florida · 26 mi awaySilicified Coral
- Lawtey Highland MineBradford County, Florida · 47 mi awayKyanite, Zircon, Ilmenite
- Alachua County QuarriesAlachua County, Florida · 47 mi awayChert, Fossilized Ivory
- Skinner MineDuval County, Florida · 72 mi awayIlmenite, Rutile, Zircon
- Cross Florida Barge CanalPutnam County, Florida · 83 mi awayFossils, Silicified Coral
- Marion County QuarriesMarion County, Florida · 83 mi awayChert, Fossilized Ivory
Across the state line from Stephen Foster State Park
Stephen Foster State Park is close enough to the Florida border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
Stephen Foster State Park FAQ
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More rockhounding in Florida
See all 39 Florida spots →Open Stephen Foster State Park on the map
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