Where to Find Agates near Des Moines, IA

27 of the mapped rockhounding spots within 150 miles of Des Moines report agate. The closest is Nevada, about 32 miles out (40 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.

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Every agate spot within 150 miles of Des Moines

Types of agates reported near Des Moines

Counts reflect how many spots in this radius mention each variety.

Agates near Des Moines FAQ

Where can I find agates near Des Moines?+
27 mapped spots within about 150 miles of Des Moines report agate. The closest is Nevada in Story County, roughly 32 miles away (40 min drive). The full list with coordinates is on this page.
Can I collect agates on public land near Des Moines?+
26 of the 27 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 Des Moines do I need to drive?+
The nearest agate spot is about 32 miles out, and the farthest on this list is 145 miles. Most fall inside a normal weekend day-trip radius.

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