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

Eco-Art: Making Nature-Based Crafts

Betasso Preserve 377 Betasso Rd, Boulder

Using natural materials, we will make crafts that foster artistic creativity and a sense of connection to the natural environment. We'll imagine what roles our found materials played in nature before they were collected, and relatedly, some interpretations will be discussed.  This program is geared toward children, but participants of all ages are welcome. BCPOS will provide all supplies. 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.

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 long ago. Registration not required.

Búhos y Murciélagos – Los Embajadores del Mundo Nocturno

Walden Ponds Wildlife Habitat 3893 N. 75th St., Boulder

Descubre los secretos de la noche en este programa fascinante sobre búhos y murciélagos. Explora sus increíbles adaptaciones para la caza nocturna, su papel en el ecosistema y los mitos que los rodean. Aprenderás sobre su visión nocturna, su ecolocalización y su importancia para el control de plagas. ¡Una aventura educativa para todas las edades! 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.