Agates near Cedar Rapids, IA
31 of the mapped rockhounding spots within 150 miles of Cedar Rapids report agate. The closest is Benton County, about 26 miles out (33 min drive).
Agates are banded chalcedony nodules that survive long after their volcanic host rock rots away, which is why they concentrate in gravel bars, beaches, and glacial deposits far from where they formed.
Map of 31 agate collecting spots within 150 miles of Cedar Rapids, Iowa
Closest agates spots to Cedar Rapids
- Benton CountyBenton County, Iowa26 mi · 33 min driveColdwater Agate
- La Porte CityBlack Hawk County, Iowa36 mi · 45 min driveAgate
- KeotaWashington County, Iowa46 mi · 58 min driveAgate
- Black Hawk CountyBlack Hawk County, Iowa48 mi · 1 hr driveColdwater Agate
- Muscatine (agate)Louisa County, Iowa53 mi · 1 hr 6 min driveLake Superior Agate, Moss Agate, Chalcedony
- CassvilleGrant County, Wisconsin62 mi · 1 hr 18 min driveAgate, Quartz
Types of agates reported near Cedar Rapids
Counts reflect how many spots in this radius mention each variety.
- Lake Superior Agate15
- Agate13
- Coldwater Agate3
- Moss Agate3
- Oolitic Agates1
Every agate spot within 150 miles of Cedar Rapids
Sorted by distance from Cedar Rapids. Tap a row for directions, access status, and nearby trips.
Agates near Cedar Rapids FAQ
Where can I find agates near Cedar Rapids?+
31 mapped spots within about 150 miles of Cedar Rapids report agate. The closest is Benton County in Benton County County, roughly 26 miles away (33 min drive). The full list with coordinates is on this page.
Can I collect agates on public land near Cedar Rapids?+
31 of the 31 spots here sit on land mapped as publicly accessible. Casual hand collecting of common rocks and minerals is allowed on most BLM and Forest Service land with limits set by the local field office; national parks and most state parks are closed to collecting. Confirm current rules with the managing agency before a trip.
What is the fastest way to spot an agate in a gravel bed?+
Look for waxy luster and translucence rather than color. Wet the stone or look right after rain: agate glows softly at thin edges when backlit, while jasper and chert stay opaque. Banding clinches it but is often hidden until the stone is cracked or tumbled.
How far from Cedar Rapids do I need to drive?+
The nearest agate spot is about 26 miles out, and the farthest on this list is 148 miles. Most fall inside a normal weekend day-trip radius.
