May 11th: Dig into Idaho – Celebrate Idaho Archaeology and Historic Preservation Month

Details to come!


June 29th: International Asteroid Day

Details to come!


September 15TH: ANNUAL Rock Party NOON – 4:30 pm

A celebration of Idaho’s mining and geologic history with activities for children and adults. EDUCATIONAL FUN FOR ALL AGES! 

$5 Adults, $2 ages 4-17
Free for IMMG Members and kids 3 and younger

ACTIVITIES INCLUDE: 12+ Stations with activities about geology, mining history, and FOSSILS, museum mini tours, hillside hikes for families, mineral identification station, gold panning, FOOD (Slow River Coffee and Foxy Franks), and MORE! Every child walks away with a certificate and a bag of goodies!!! 

Sponsored in part by a grant from the Idaho Humanities Council.

Contact Shirley if you would like to volunteer or add an activity: 283-3186. We hope to see you there!

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September 28th: National Public Lands Day 9 am

Let’s celebrate National Public Lands Day by a morning hike around Castle Rock with our fellow geology and history lovers!

Coffee and Donuts will be served at 8 am.