Agates near Casper, WY
33 of the mapped rockhounding spots within 150 miles of Casper report agate. The closest is Casper, about 1 miles out (2 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 33 agate collecting spots within 150 miles of Casper, Wyoming
Closest agates spots to Casper
- CasperNatrona County, Wyoming1 mi · 2 min driveAgate, Alabaster, Amazonite
- Poison Spider CreekNatrona County, Wyoming13 mi · 16 min driveAgate, Chalcedony, Jasper
- Moss Agate HillConverse County, Wyoming35 mi · 44 min driveMoss Agate, Chalcedony, Jasper
- Sweetwater RiverNatrona County, Wyoming60 mi · 1 hr 15 min driveSweetwater Agate
- Sage Hen CreekFremont County, Wyoming67 mi · 1 hr 24 min driveAgate, Chalcedony, Jasper
- Fremont CountyFremont County, Wyoming73 mi · 1 hr 31 min driveSweetwater Agate, Nephrite Jade, Jade
Types of agates reported near Casper
Counts reflect how many spots in this radius mention each variety.
- Agate19
- Fairburn Agate4
- Moss Agate4
- Banded Agate3
- Sweetwater Agate3
- Fairhill Agate1
- Turritella Agate1
Every agate spot within 150 miles of Casper
Sorted by distance from Casper. Tap a row for directions, access status, and nearby trips.
Agates near Casper FAQ
Where can I find agates near Casper?+
33 mapped spots within about 150 miles of Casper report agate. The closest is Casper in Natrona County County, roughly 1 miles away (2 min drive). The full list with coordinates is on this page.
Can I collect agates on public land near Casper?+
33 of the 33 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 Casper do I need to drive?+
The nearest agate spot is about 1 miles out, and the farthest on this list is 149 miles. Most fall inside a normal weekend day-trip radius.
