This event is in the "Everyone" group Fall in the Foothills with Boulder County Parks & Open Space 6:30pm–8:00pm Everyone Closed Registration available. This event is in the "Everyone" group Sep 4 2025 Thu Fall in the Foothills with Boulder County Parks & Open Space 6:30pm–8:00pm Closed Please note you are looking at an event that has already happened. Library Branch: Lyons Community Library Room: Community Room Age Group: Everyone Registration available. Event Details: Join us in celebrating autumn through an exciting indoor slide and activity program! Explore the beauty of our county's open spaces virtually and discover the best spots to enjoy the vibrant colors of this season's beautiful plants. Registration Details RSVP Registration is not required but is appreciated for this event.