Agates near Sheridan, WY
20 of the mapped rockhounding spots within 150 miles of Sheridan report agate. The closest is Buffalo, about 31 miles out (39 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 20 agate collecting spots within 150 miles of Sheridan, Wyoming
Closest agates spots to Sheridan
- BuffaloJohnson County, Wyoming31 mi · 39 min driveAgate, Chalcedony, Gastrolith
- Big Horn CanyonBig Horn County, Montana61 mi · 1 hr 16 min driveAgate, Chalcedony, Jasper
- Big Horn RiverBig Horn County, Wyoming64 mi · 1 hr 21 min driveDry Head Agate
- Pryor MountainsBig Horn County, Montana71 mi · 1 hr 29 min driveFossil, Agate, Chalcedony
- WorlandWashakie County, Wyoming74 mi · 1 hr 32 min driveAgate, Chalcedony, Red Jasper
- Bear CanyonCarbon County, Montana79 mi · 1 hr 39 min driveGeode, Agate
Types of agates reported near Sheridan
Counts reflect how many spots in this radius mention each variety.
- Agate9
- Montana Moss Agate7
- Montana Agate2
- Dry Head Agate1
- Moss Agate1
Every agate spot within 150 miles of Sheridan
Sorted by distance from Sheridan. Tap a row for directions, access status, and nearby trips.
Agates near Sheridan FAQ
Where can I find agates near Sheridan?+
20 mapped spots within about 150 miles of Sheridan report agate. The closest is Buffalo in Johnson County, roughly 31 miles away (39 min drive). The full list with coordinates is on this page.
Can I collect agates on public land near Sheridan?+
14 of the 20 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 Sheridan do I need to drive?+
The nearest agate spot is about 31 miles out, and the farthest on this list is 145 miles. Most fall inside a normal weekend day-trip radius.
Keep exploring from Sheridan
Agates near other cities
Hunt agates around Sheridan with the map in your pocket
RockHoundR shows these spots on an offline map with public land overlays, geology layers, weather, and a log for your finds.
