Where to Find Agates near Cheyenne, WY
16 of the mapped rockhounding spots within 150 miles of Cheyenne report agate. The closest is Laramie Mountains, about 46 miles out (58 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.
Every agate spot within 150 miles of Cheyenne
Best spotLaramie MountainsAlbany County, Wyoming · 46 mi awayPublic access · Agate, Chalcedony, Jasper
Specimen MountainLarimer County, Colorado · 71 mi awayPermission required · Allophane, Calcite, Agate +2
Guernsey Platte RiverGoshen County, Wyoming · 77 mi awayPublic access · Agate, Chalcedony, Banded Iron Formation +1
Best spotHartvillePlatte County, Wyoming · 82 mi awayPublic access · Agate, Moss Agate, Chalcedony
Best spotBayardMorrill County, Nebraska · 88 mi awayPublic access · Agate, Petrified Wood
Jay EmGoshen County, Wyoming · 94 mi awayPublic access · Agate, Malachite, Onyx
Agate Fossil BedsSioux County, Nebraska · 106 mi awayPublic access · Agate, Jasper, Chalcedony +3
Moss Agate HillConverse County, Wyoming · 113 mi awayPublic access · Moss Agate, Chalcedony, Jasper
ChappellDeuel County, Nebraska · 121 mi awayPublic access · Fairburn Agate, Jasper, Chalcedony +2
Crawford (jasper area)Dawes County, Nebraska · 129 mi awayPublic access · Fairburn Agate, Jasper, Petrified Wood
Best spotCrawford (Fairburn area)Dawes County, Nebraska · 130 mi awayPublic access · Fairburn Agate
Best spotMontroseSioux County, Nebraska · 135 mi awayPublic access · Agate, Jasper, Fossil
CasperNatrona County, Wyoming · 141 mi awayPublic access · Agate, Alabaster, Amazonite
Best spotOrellaDawes County, Nebraska · 141 mi awayPublic access · Fairburn Agate, Jasper, Carnelian +4
Poison Spider CreekNatrona County, Wyoming · 147 mi awayPublic access · Agate, Chalcedony, Jasper
Best spotArdmoreFall River County, South Dakota · 147 mi awayPublic access · Fairburn Agate, Agatized Wood, Jasper +2
Types of agates reported near Cheyenne
Counts reflect how many spots in this radius mention each variety.
- Agate10
- Fairburn Agate5
- Moss Agate2
Agates near Cheyenne FAQ
Where can I find agates near Cheyenne?+
16 mapped spots within about 150 miles of Cheyenne report agate. The closest is Laramie Mountains in Albany County, roughly 46 miles away (58 min drive). The full list with coordinates is on this page.
Can I collect agates on public land near Cheyenne?+
15 of the 16 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 Cheyenne do I need to drive?+
The nearest agate spot is about 46 miles out, and the farthest on this list is 147 miles. Most fall inside a normal weekend day-trip radius.
