Where to Find Garnet in Montana

5 mapped garnet rockhounding spots in Montana, across 3 counties. Garnet is a hard, glassy silicate that comes in many varieties. Montana is famous for its sapphires, Yogo and otherwise, and for the Montana moss agate gravels along the Yellowstone River.

Map of 5 garnet rockhounding spots in Montana

Garnet by county in Montana

Counties ranked by number of garnet spots in our database.

Every garnet spot in Montana

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

Garnet in Montana FAQ

Where can I find garnet in Montana?+
RockHoundR tracks 5 garnet spots in Montana, spread across 3 counties. The strongest concentration is in Lewis and Clark County.
Is collecting garnet legal in Montana?+
Casual hand collection of common rocks and minerals like garnet 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 garnet location in Montana?+
Lewis and Clark County has the most garnet spots in our database for Montana. The full county breakdown is below — different counties produce different qualities and varieties.

Other states for garnet

Other minerals to find in Montana

Hunt garnet in Montana on the map

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