Treasure Outpost Rock Shop - Eureka

Treasure Outpost Rock Shop - Eureka crystals, fossils, gemstones, minerals, jewelry, butterflies and other nature-based curiosities.

Back in Stock! ✨Break-your-own Geodes, Triceratops teeth, Megalodon teeth, and Opal earrings… 🔥Open Mondays, Fridays, an...
09/02/2026

Back in Stock! ✨

Break-your-own Geodes, Triceratops teeth, Megalodon teeth, and Opal earrings… 🔥

Open Mondays, Fridays, and Saturdays 😊

We will be closed for the week of July 4-10 for a trip, so go check out the new digs by Ralph Willowsong! ☀️
07/04/2026

We will be closed for the week of July 4-10 for a trip, so go check out the new digs by Ralph Willowsong! ☀️

New leatherwork by Ralph Willowsong, Blackfoot artist. ✨

Bark-tanned elk hide with a Malachite bear. 🐻 🦌

03/19/2026

We have regular hours again! 💚
Mondays 10-3
Fridays 10-3

12/20/2025

We are open 10-3 everyday until January🌲

12/05/2025

Treasure Outpost Rock Shop!

So many treasures in this beautiful store!
I LOVE the unique jewelry, rare fossils and Montana gemstones!

THIS SATURDAY they will have their ANNUAL CHRISTMAS PARTY complete with a scavenger hunt, savings on everything in the store, drawings and mystery bags. Don’t miss it!!

MARK THE CALENDAR!

Did you know they also do house plans and drafting in here?? Stop in and visit!

Drop an emoji below to be entered to win gift certificates!

Merry Christmas!

12/04/2025

Thank you Gretchen Lancaster !!❤️

Address

301 Dewey Avenue
Eureka, MT
59917

Opening Hours

Monday 10am - 3pm
Friday 10am - 3pm
Saturday 10am - 3pm

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