Where to Find Petrified Wood in Montana

6 mapped petrified wood rockhounding spots in Montana, across 5 counties. Petrified wood replaces ancient buried logs with silica, agate, or opal. Montana is famous for its sapphires, Yogo and otherwise, and for the Montana moss agate gravels along the Yellowstone River.

Map of 6 petrified wood rockhounding spots in Montana

Petrified Wood by county in Montana

Counties ranked by number of petrified wood spots in our database.

Every petrified wood spot in Montana

Sorted by county. Coordinates open in Google Maps. Click a row for details.

Petrified Wood in Montana FAQ

Where can I find petrified wood in Montana?+
RockHoundR tracks 6 petrified wood spots in Montana, spread across 5 counties. The strongest concentration is in Park County.
Is collecting petrified wood legal in Montana?+
Casual hand collection of common rocks and minerals like petrified wood is allowed on most BLM and U.S. Forest Service land in Montana, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always confirm rules before a trip.
What is the best petrified wood location in Montana?+
Park County has the most petrified wood spots in our database for Montana. The full county breakdown is below — different counties produce different qualities and varieties.

Other states for petrified wood

Other minerals to find in Montana

Hunt petrified wood in Montana on the map

Open RockHoundR for live land overlays, weather, geology, and saved spots.

Download on the App StoreGet it on Google Play