Stage 1 Fire Restrictions, effective Aug. 12, 2025, for unincorporated western Boulder County.

Visit the Boulder County Ballot Measures website for information about possible 2025 ballot measures.

Events

Dragons & Damsels Hike

Pella Crossing 11600 N. 75th St., Longmont

Join volunteer naturalists on a field experience that builds on the Dragons & Damsels slideshow program and search for those colorful gems flying over ponds and streams. Learn how to observe dragonflies and their damselfly cousins, including their acrobatic flying, huge multi-faceted eyes, convoluted mating schemes, and behavioral quirks. Bring your binoculars and camera! Registration for most programs begins on the 20th of the month before the event. Registration required. Register Registration is required through Discover Boulder County, Parks & Open Space’s volunteer and event registration system. If you’re new to the system, you'll need to create an account. But it’s easy and we only use your contact information to communicate about events you register for. We will never sell or give your information to a third party.

Small Engine Day

Nederland Mining Museum 200 N. Bridge Street, Nederland

Step back in time and explore the fascinating world of early small engines — also known as hit-or-miss or skip motors — that once powered farms, mines, and more. Watch these historic machines in action, including a museum model that's more than 100 years old. Learn how they worked, what made them so reliable, and why they were essential to everyday life. Drop in anytime during the event! Registration not required.