Fossil Hunting in Ohio

1 location in Ohio checked against the rules of the agency that manages each one: 1 need a permit. Each page gives the permit requirements, limits, restrictions and penalties, with the primary sources it was checked against.

Rules last checked in October 2026

1 Permit Required

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Site Guides

Permit Required

Caesar Creek Lake Spillway (Caesar Creek State Park)

Ohio, Warren·Fossil Hunting

Fossil collecting at Caesar Creek is allowed only in the emergency spillway and only with a free Army Corps permit from the visitor center. No tools, and keep only pieces that fit in your palm.

You need a free fossil collecting permit from the Army Corps of Engineers Visitor Center (4020 N. Clarksville Road, Waynesville; (513) 897-1050) before you take anything; looking is allowed any time
Collect only in the emergency spillway; the Corps says "collecting in any area other than the spillway is not permitted", which includes the state park around the lake

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