Fossils rockhounding sites in Iowa

Trilobites, brachiopods, petrified wood, and other paleontological collecting on public land.

34 fossils destinations in Iowa.

Rockhounding sites in Iowa — fossils: 34 spots in our directory. Sort live from your phone with near me, or browse all U.S. fossils rockhounding sites and the Iowa state page.

Fossils collecting in Iowa

Trilobites, brachiopods, petrified wood, and other paleontological collecting on public land.

We currently document 34 fossils collecting sites in Iowa. Each listing includes original descriptions, visitor notes, and last-updated dates when available.

What to know before you collect

Fossils destinations in Iowa vary widely in access, season, and legality. Some are official recreation areas; others are informal gravel bars. Read the access and safety sections on each listing — never assume collecting is allowed without checking current signage.

For trip planning beyond this filter, browse the full Iowa state page, our guides, or use near me to sort by distance from your location.

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What to pack for fossil hunting

Splitting shale and hiking exposures — gear we compare for paleontology field trips.

Chisels & Wedges — Split matrix cleanly and protect your specimens

Chisels & Wedges

Split matrix cleanly and protect your specimens

5 products compared

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Safety Glasses — Non-negotiable eye protection when hammering rock

Safety Glasses

Non-negotiable eye protection when hammering rock

4 products compared

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Specimen Bags & Wrap — Get your finds home without chips and scratches

Specimen Bags & Wrap

Get your finds home without chips and scratches

4 products compared

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Field Gloves — Cut and abrasion protection for sharp rock and tools

Field Gloves

Cut and abrasion protection for sharp rock and tools

4 products compared

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Akron — fossil rockhounding site near Iowa, IA
FossilIA

Akron

Fossil collection site, Plymouth County, Iowa. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesIowa
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Bassett — fossil rockhounding site near Iowa, IA
FossilIA

Bassett

Fossil collection site, Chickasaw County, Iowa. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesIowa
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Butters — fossil rockhounding site near Iowa, IA
FossilIA

Butters

Fossil collection site, Muscatine County, Iowa. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesIowa
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Delta — fossil rockhounding site near Iowa, IA
FossilIA

Delta

Fossil collection site in the St. Louis, Keokuk County, Iowa. Environment: sinkhole. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesIowa
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Des Moines, Western — fossil rockhounding site near Iowa, IA
FossilIA

Des Moines, Western

Fossil collection site, Iowa. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesIowa
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Dover Mills — fossil rockhounding site near The Scales Shale, IA
FossilIA

Dover Mills

Fossil collection site in the Scales Shale, Iowa. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesThe Scales Shale
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F1 Lcf Om — fossil rockhounding site near The Lime Creek, IA
FossilIA

F1 Lcf Om

Fossil collection site in the Lime Creek, Iowa. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesThe Lime Creek
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Fayette — fossil rockhounding site near Iowa, IA
FossilIA

Fayette

Fossil collection site, Fayette County, Iowa. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesIowa
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Fossil And Prairie Park — fossil rockhounding site near Rockford, IA
FossilIA

Fossil And Prairie Park

A Floyd County park preserves Devonian limestone with abundant crinoid and brachiopod fossils open to casual collecting.

Fee variesRockford
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Fremont County — fossil rockhounding site near Iowa, IA
FossilIA

Fremont County

Fremont County is a documented mineral occurrence near IA. Reported specimens include Fossilized coral, Stromatoporioids. Verify land access and collecting rules before visiting.

Fee variesIowa
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Gc Sample 1 — fossil rockhounding site near The Laporte City, IA
FossilIA

Gc Sample 1

Fossil collection site in the LaPorte City, Iowa. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesThe Laporte City
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Greene — fossil rockhounding site near Iowa, IA
FossilIA

Greene

Fossil collection site in the Shell Rock, Butler County, Iowa. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesIowa
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Linn County — fossil rockhounding site near Iowa, IA
FossilIA

Linn County

Fossil collection site, Linn County, Iowa. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesIowa
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North Of Stuart — fossil rockhounding site near Iowa, IA
FossilIA

North Of Stuart

Fossil collection site, Guthrie County, Iowa. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesIowa
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Palo — fossil rockhounding site near Iowa, IA
FossilIA

Palo

Fossil collection site in the Little Cedar, Linn County, Iowa. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesIowa
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Rudd — fossil rockhounding site near Iowa, IA
FossilIA

Rudd

Fossil collection site in the Shell Rock, Floyd County, Iowa. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesIowa
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Well #d-7 — fossil rockhounding site near Iowa, IA
FossilIA

Well #d-7

Fossil collection site, Sioux County County, Iowa. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesIowa
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