No free public place to collect geodes in Iowa has an official page saying collecting is welcome there, so this directory lists none — and the state park named after the rock says outright that you may not carry one out.
The geode has been Iowa's state rock since 1967, and the beds around Keokuk are the reason collectors on other continents know the word. That standing is exactly why this page is worth writing as a no: the demand is real, the answer is not obvious, and pointing at a creek nobody has shown is open would be worse than saying nothing.
What this page is saying no to. This page lists no legal place to collect because none has cleared the bar every entry in this directory clears: an official page — an operator's, a land agency's, or a state geological survey's — saying collecting is welcome there. Each closure on this page is quoted from the body that made the rule, and each legal route carries its own source.
A "no" here means nobody publishes a yes — not that the rock is gone, and not that every acre is closed. Rules move too: the closures are what those pages said on the date shown, and the person who can tell you about one specific piece of ground is whoever manages it.
| Ground | What the rule says | Where it says it |
|---|---|---|
| Geode State Park | The park's own page keeps two sentences side by side: geodes are on display in the park office, and removing geodes from the park is prohibited. It sits in Henry County and is named after Iowa's state rock, which makes it the first place people ask about and not a place to collect one. | Iowa DNR — Geode State Park |
| Every Iowa state park and recreation area | Removal or defacement of natural features is prohibited, with rock formations named among them. The rules list what you may carry home and it is a short list: mushrooms, asparagus, nuts, fruits and berries. | Iowa DNR — Parks Use, Rules & Guidelines |
| Iowa state preserves | Most preserves prohibit removal of or damage to plants, animals and other natural materials. Preserves are the ground Iowa set aside for permanent protection, so the rule there is tighter than in the parks rather than looser. | Iowa DNR — Preserves & Public Use |
| The state's own account of where the geodes are | The Iowa Geological Survey says geode collecting is not permitted in state parks, and that most geode-collecting localities are on private land where permission must be secured before entering or removing rocks. It puts the famous ground within a 35-mile radius of Keokuk, in the stream drainages of Lee, Henry and Van Buren counties. | Iowa Geological Survey, University of Iowa — Iowa Geodes |
Sources last read August 24, 2026
The Iowa Geological Survey puts the rule in one sentence: most geode-collecting localities are on private land, and permission must be secured before entering or removing rocks. Creek gravel and roadside ditches read as nobody's ground and belong to somebody, and a bridge pull-off is not an invitation. This page prints no directions to ground we cannot show is open.
The beds do not stop at the river. Keokuk sits in Iowa's southeastern corner where the state meets Illinois and Missouri, and every geode-hunting contact the Keokuk Area Convention & Tourism Bureau publishes is on the Illinois or Missouri side — the bureau asks that you call each one for an appointment. Only operations that keep a page of their own, with their own terms on it, reach this directory; one does, and it is below.
The Keokuk Area Convention & Tourism Bureau Foundation runs an annual Geode Family Fest out of Keokuk: three days of hunting with experienced guides, at locations not normally hunted the rest of the year. It is the one weekend when an ordinary visitor is walked onto ground that is otherwise somebody's back forty. The bureau posts the year's dates and how to register on its own page.
Keokuk Area Convention & Tourism Bureau Foundation — Geode Family Fest
Some of these sit outside Iowa, and where that is true the locality line says so. The nearest place you are welcome to dig is not always in the state you searched for.
Hours, fees, and access rules change. Verify with the operator or land agency before you go.
Sheffler Rock Shop & Geode Mine
Alexandria, MO
keokuk geodesquartz crystalscalcite
Fee dig · Fee · $25 per person ages 12 and up, which covers the first 50 lb of geodes; anything beyond that is $0.75/lb. Kids under 12 must dig with an adult. Bring your own bucket, hammer, and pry bar.
Checked against its source August 24, 2026
The rest of what Iowa does offer — mineral history and every legal collecting site in the state — is on Rockhounding in Iowa.
Mineral history, not an invitation. This mineral history comes from a federal record of historic mines, prospects, and occurrences. It is not a list of places to collect. Historic mine sites are usually on private land, under active mining claims, or unsafe to enter — and often all three.
The federal record has no commodity name for geodes — not in Iowa, not in any state. It is a register of what was mined, prospected, or logged as an ore occurrence, and it files each site under the commodities that made it worth working: gold, silver, corundum, garnet. Its nearest heading is a catch-all for gemstones. Material nobody ever mined is invisible to it, which is a fact about the database rather than about the ground. That silence is not why this page has no legal place to collect, though — the access rules above are.
What the record does hold for Iowa, by number of historic entries:
Clay · 85Lead · 72Zinc · 69Limestone · 34Flagstone · 30Gypsum-Anhydrite · 30Phosphorus-Phosphates · 26Iron · 9
Those are the workings Iowa was mapped for, not places to collect. The whole file, and every legal collecting site in the state, are on Rockhounding in Iowa.
Records from the USGS Mineral Resources Data System, a legacy federal database last revised August 2022 and no longer updated.
Through the routes listed on this page: private land, with the landowner's permission; pay-to-dig operations, across the state line; and the guided hunts each September. What this directory does not have is a free public place in Iowa to collect geodes. This page lists no legal place to collect because none has cleared the bar every entry in this directory clears: an official page — an operator's, a land agency's, or a state geological survey's — saying collecting is welcome there. Each closure on this page is quoted from the body that made the rule, and each legal route carries its own source.
No. The park's own page keeps two sentences side by side: geodes are on display in the park office, and removing geodes from the park is prohibited. It sits in Henry County and is named after Iowa's state rock, which makes it the first place people ask about and not a place to collect one. That comes from Iowa DNR — Geode State Park, linked on this page. This page lists 3 further closures, each with the page it came from. A "no" here means nobody publishes a yes — not that the rock is gone, and not that every acre is closed. Rules move too: the closures are what those pages said on the date shown, and the person who can tell you about one specific piece of ground is whoever manages it.
Only with the permission of whoever owns that ground. Most geodes in Iowa lie on private land, and a creek bed, a road ditch, and a bridge pull-off all belong to somebody even when they look like they belong to nobody. Before any trip: check land ownership and current mining claims, get permission, respect closures, and never enter old mine workings. This site publishes no directions to ground it cannot show is open.