Fossils near Casper, WY
9 of the mapped rockhounding spots within 150 miles of Casper report fossil. The closest is Como Ridge, about 70 miles out (1 hr 27 min drive).
Fossil collecting spots cluster around exposed sedimentary rock: road cuts, creek banks, quarries, and badlands where erosion keeps bringing fresh material to the surface.
Map of 9 fossil collecting spots within 150 miles of Casper, Wyoming
Closest fossils spots to Casper
- Como RidgeCarbon County, Wyoming70 mi · 1 hr 27 min drivePetrified Dinosaur Bone
- HyattvilleBig Horn County, Wyoming113 mi · 2 hr 21 min driveGypsum, Dinosaur Bones, Gastroliths
- MontroseSioux County, Nebraska131 mi · 2 hr 43 min driveAgate, Jasper, Fossils
- Agate Fossil BedsSioux County, Nebraska134 mi · 2 hr 48 min driveAgate, Jasper, Chalcedony
- Little BadlandsSioux County, Nebraska138 mi · 2 hr 53 min driveVertebrate Fossils
- Hell CanyonCuster County, South Dakota138 mi · 2 hr 53 min driveBanded Agate, Jade, Jasper
Types of fossils reported near Casper
Counts reflect how many spots in this radius mention each variety.
- Fossils7
- Petrified Dinosaur Bone2
- Dinosaur Bones1
- Vertebrate Fossils1
Every fossil spot within 150 miles of Casper
Sorted by distance from Casper. Tap a row for directions, access status, and nearby trips.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Como Ridge | Carbon County |
| 41.8752, -106.0746 | Public |
| HyattvilleRea Grove Lane | Big Horn County | 44.2441, -107.5260 | Public | |
| MontroseMontrose Road | Sioux County | 42.9250, -103.7360 | Public | |
| Agate Fossil BedsRiver Road | Sioux County | 42.4366, -103.7359 | Public | |
| Little BadlandsInterpretive Loop | Sioux County |
| 42.8577, -103.5864 | Public |
| Hell CanyonHell Canyon Trail | Custer County | 43.7494, -103.8421 | Public | |
| Pleasant Valley Creek | Custer County | 43.5552, -103.7211 | Public | |
| Sioux CountyGlen Road | Sioux County | 42.5887, -103.5953 | Public | |
| Greybull | Big Horn County |
| 44.6465, -107.8070 | Public |
Fossils near Casper FAQ
Where can I find fossils near Casper?+
9 mapped spots within about 150 miles of Casper report fossil. The closest is Como Ridge in Carbon County County, roughly 70 miles away (1 hr 27 min drive). The full list with coordinates is on this page.
Can I collect fossils on public land near Casper?+
9 of the 9 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.
Is it legal to keep fossils I find?+
On federal land, common invertebrate and plant fossils (shells, corals, trilobites, leaf prints) may be collected casually for personal use. Vertebrate fossils (bone, teeth, anything with a backbone) are protected on federal land and need a research permit. Private land follows the landowner's permission. When in doubt, photograph it, note the location, and ask the managing agency.
How far from Casper do I need to drive?+
The nearest fossil spot is about 70 miles out, and the farthest on this list is 144 miles. Most fall inside a normal weekend day-trip radius.
