Where to Find Silicified Wood in Wyoming

Standout silicified wood spots in Wyoming

Hand-picked from the full list below, with the reason each one earns a trip.

• Warm Springs

  Fremont County County

  Warm Springs is a strong Granite Mountains-area pick because it combines Wyoming jade targets with agate, jasper, chalcedony, quartz, and silicified wood in one public-land collecting corridor. WSGS identifies jade as Wyoming's best-known gemstone and also lists agate, petrified wood, and quartz crystals among the state's important collector materials.

• Kemmerer

  Lincoln County County

  Kemmerer anchors the western Green River Formation belt, where public-land outcrops and gravels can yield chert, chalcedony, jasper, silicified wood, and fossiliferous lapidary stone. It is included separately from the paid fossil-fish quarries because the best free collecting value is common lapidary material on verified public parcels, not commercial quarry access.

• Eden Valley

  Sweetwater County County

  Eden Valley is the Wyoming benchmark for silicified and agatized wood, with Mindat records tying petrified wood to Eden Valley and the Blue Forest area. It also has unusually clear legal framing, since BLM specifically allows limited personal-use petrified wood collecting on open public land while keeping fossil and commercial-use rules separate.

Best counties for silicified wood in Wyoming

Ranked by the number of mapped silicified wood spots. County links open the full rockhounding page for that county.

• Sweetwater County6 spots
• Fremont County1 spot
• Johnson County1 spot
• Lincoln County1 spot
• Teton County1 spot

Every silicified wood spot we track in Wyoming

Sorted by county. Coordinates open in Google Maps.

Where else to find silicified wood

• North Dakota5 spots

More minerals to hunt in Wyoming

• Agate23
• Jasper22
• Chalcedony21
• Quartz11
• Gypsum8
• Gold6
• Malachite6
• Chert5
• Copper5
• Opalized Wood5