Where to Find Agate in Iowa
Iowa has 8 mapped collecting spots that report agate, spread across 6 counties. The largest share sits in Henry County County with 2 spots. 8 of the spots are on land mapped as publicly accessible.
Map of 8 agate collecting spots in Iowa
Best counties for agate in Iowa
Ranked by the number of mapped agate spots. County links open the full rockhounding page for that county.
- Henry County2 spots
- Palo Alto County2 spots
- Adair County1 spot
- Black Hawk County1 spot
- Story County1 spot
- Washington County1 spot
Every agate spot we track in Iowa
Sorted by county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Orient AreaHenry A Wallace Road | Adair County | 41.2473, -94.3538 | Public | |
| La Porte CityCedar Valley Nature Trail | Black Hawk County | 42.3215, -92.1875 | Public | |
| New LondonJoyce & Ted's Place | Henry County | 40.8799, -91.3906 | Public | |
| Skunk River gravels near Mount PleasantOakland Mills Road | Henry County | 40.9474, -91.5719 | Public | |
| Emmetsburg360th Street | Palo Alto County | 43.1302, -94.7027 | Public | |
| GraettingerRobins Avenue | Palo Alto County | 43.2367, -94.7414 | Public | |
| NevadaLincoln Highway | Story County | 42.0083, -93.3819 | Public | |
| KeotaKeokuk Washington Road | Washington County | 41.3435, -91.9424 | Public |
Before you go
Read the agate identification guide so you know what a keeper looks like in the field: Agate in the encyclopedia.
Agate in Iowa FAQ
Where can you find agate in Iowa?+
The mapped spots concentrate in Henry County County, Palo Alto County County, and Adair County County. Every spot on this page appears on the map above with coordinates and access notes.
How many agate spots are mapped in Iowa?+
8 spots across 6 counties. The RockHoundR app keeps the same spots on an offline map with public land overlays, geology layers, and your saved finds.
Is it legal to collect agate in Iowa?+
Hand collecting of common rocks and minerals in small amounts for personal use is generally allowed on BLM and U.S. Forest Service land, with limits set by the local field office. National parks, most state parks, and tribal land are closed to collecting. 8 of the 8 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.
