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.
Map of 14 petrified wood collecting spots within 150 miles of Casper, Wyoming
Closest petrified wood spots to Casper
- Shirley BasinCarbon County, Wyoming37 mi · 46 min driveOpalized Wood
- Crazy Woman CreekJohnson County, Wyoming96 mi · 2 hr driveOpalized Wood, Silicified Wood
- SaratogaCarbon County, Wyoming98 mi · 2 hr 2 min driveOpalized Wood
- Warm SpringsFremont County, Wyoming98 mi · 2 hr 2 min driveAgate, Chalcedony, Jasper
- BuffaloJohnson County, Wyoming110 mi · 2 hr 18 min driveAgate, Chalcedony, Gastroliths
- Red DesertSweetwater County, Wyoming124 mi · 2 hr 35 min driveAgate, Chalcedony, Chert
Types of petrified wood reported near Casper
Counts reflect how many spots in this radius mention each variety.
Every petrified wood spot within 150 miles of Casper
Sorted by distance from Casper. Tap a row for directions, access status, and nearby trips.
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 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?+
14 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.
