Where to Find Petrified Wood near Casper, WY
14 of the mapped rockhounding spots within 150 miles of Casper report petrified wood. The closest is Shirley Basin, about 37 miles out (46 min drive).
Petrified wood is ancient wood replaced cell by cell with silica. It concentrates where volcanic ash buried forests, and weathered pieces collect as float on desert slopes and in washes.
Every petrified wood spot within 150 miles of Casper
Shirley BasinCarbon County, Wyoming · 37 mi awayPublic access · Opalized Wood- Crazy Woman CreekJohnson County, Wyoming · 96 mi awayPublic access · Opalized Wood, Silicified Wood
- SaratogaCarbon County, Wyoming · 98 mi awayPublic access · Opalized Wood
Best spotWarm SpringsFremont County, Wyoming · 98 mi awayPublic access · Agate, Chalcedony, Jasper +4
BuffaloJohnson County, Wyoming · 110 mi awayPermission required · Agate, Chalcedony, Gastrolith +3- Red DesertSweetwater County, Wyoming · 124 mi awayPublic access · Agate, Chalcedony, Chert +3
- Best spotAtlantic CityFremont County, Wyoming · 125 mi awayPublic access · Agate, Chalcedony, Gold +8
- Agate Fossil BedsSioux County, Nebraska · 134 mi awayPublic access · Agate, Jasper, Chalcedony +3
- Parker PeakFall River County, South Dakota · 138 mi awayPublic access · Agatized Wood, Silicified Wood
- Sioux CountySioux County, Nebraska · 139 mi awayPublic access · Chalcedony, Celestite, Fossil +2
Best spotOrellaDawes County, Nebraska · 144 mi awayPublic access · Fairburn Agate, Jasper, Carnelian +4- Best spotArdmoreFall River County, South Dakota · 144 mi awayPublic access · Fairburn Agate, Agatized Wood, Jasper +2
- Crawford (jasper area)Dawes County, Nebraska · 148 mi awayPublic access · Fairburn Agate, Jasper, Petrified Wood
- Steamboat MountainSweetwater County, Wyoming · 149 mi awayPermission required · Agate, Chalcedony, Jasper +1
Types of petrified wood reported near Casper
Counts reflect how many spots in this radius mention each variety.
Petrified Wood near Casper FAQ
Where can I find petrified wood near Casper?+
14 mapped spots within about 150 miles of Casper report petrified wood. The closest is Shirley Basin in Carbon County, roughly 37 miles away (46 min drive). The full list with coordinates is on this page.
Can I collect petrified wood on public land near Casper?+
12 of the 14 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.
How can I tell petrified wood from plain rock?+
Look for wood structure: parallel grain lines, growth rings on cut ends, and bark texture on the outside. Petrified palm shows a distinctive rod-and-dot pattern instead of rings. Plain jasper and chert show none of these, even when the color looks woody.
How far from Casper do I need to drive?+
The nearest petrified wood spot is about 37 miles out, and the farthest on this list is 149 miles. Most fall inside a normal weekend day-trip radius.
Keep exploring from Casper
Where to Find Petrified Wood near other cities
Hunt petrified wood around Casper 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.
