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Family Nature Summits: Black Hills Summit has ended
If you would like to join a class that is frozen, please send us a message or email, and we will do our best to accommodate you. 

The Summit Handbook and our pick-a-hike guide are helpful resources! Email [email protected] with additional questions or message us in Sched!

Session availability is subject to change due to weather, availability, and interest. Classes with fewer than 5 participants are subject to cancellation. You are only able to sign up for one class during a time period (including waitlists). We do our best to accommodate waitlists. 

Add/Dropping Classes: All classes with an additional cost have a final add/drop date of July 13. After July 13th, you will be responsible for the cost of the class unless we can fill the spot. Classes with no additional cost can be added/dropped at any time.

Thursday August 6, 2026 7:30am - 12:00pm MDT
Take a field trip around the area to view geologic features associated with the uplift of the Black Hills of South Dakota. You will learn about the regional geology and the importance of pegmatites as we tour. We will see a variety of rock types and geologic structures, and finish our trip at two former mines where you will have the opportunity to collect your own keepsake specimens. We will drive up to most locations. One location has a short walk along level terrain. The former mines are close to the road but will have short walks on uneven, wooded terrain. 
Faculty
avatar for Dave Egan

Dave Egan

Geology Leader, Faculty
Dave Egan has enjoyed exploring and teaching about geology at Summits throughout the U.S., and occasionally Canada, for the past 30+ years. For folks of all ages, he provides an interpretation of the geology and natural setting in an understandable way, with the purpose of providing... Read More →
Thursday August 6, 2026 7:30am - 12:00pm MDT

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