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

Putting the ‘Fun’ in Fungi

Anne U. White 121 Pinto Dr., Boulder

Curious about the hidden world of fungi? Join us for a guided mushroom walk and hands-on exploration to discover the vital role they play in sustaining healthy ecosystems. Learn simple ways to protect biodiversity in your own backyard while connecting with fellow nature enthusiasts. No prior fungi knowledge required. Registration required. Register

Assay Office Museum Open House

Assay Office Museum 6352 Fourmile Canyon Dr, Boulder

Stop by the unique Assay Office Museum on this open house day. Learn about assaying, hard rock mining, and the families in the area from long ago. Registration not required.