Story in the Rocks: Geologic History of Boulder County

 11/10/2026  |  06:00 PM - 07:30 PM
  Ron Stewart Parks & Open Space Building  |  Registration Required

Natural History - Adults (18 & older)

The geologic history of Boulder County’s remarkable landscape goes back nearly two billion years! Rocks contain a record of the earth’s history that can be read like the pages in a book. Join volunteer naturalists for this slide program and learn how to read this fascinating story in the rocks.

Registration is required for this activity.

Boulder County wants to ensure that everyone has equal access to our programs, activities, and services. To request an Americans with Disability Act (ADA) accommodation, please email [email protected], or call 303-441-1386. Submit your request as early as possible, and no later than two business days before the event.

If you need help in another language, please email [email protected], or call 303-678-6277. Contact us as early as possible, and no later than three business days before the event.