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

Share your feedback on Boulder County’s website by Friday, Oct. 3. Take the website survey.

Boulder County Housing Authority remains open during a federal government shutdown. Find out more.

Parks & Open Space

Hikes for Seniors: A Walk Around the Ponds

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

CANCELED: Hammering on the Farm

Astronomy: Galaxies Beyond Our Home

Ron Stewart Preserve at Rabbit Mountain 14950 N. 55th St., Longmont, CO

Altona Schoolhouse Open House

Altona Schoolhouse

BOCC Public Hearing – Adler-Fingru Xcel Easement Taking

Boulder County Courthouse 1325 Pearl St, Boulder, CO

Fun on the Farm: Farm Animals Can Cook?

Agricultural Heritage Center 8348 Ute Hwy, Longmont, CO

Some Like It Hot: Warm Season Grasses

Ron Stewart Preserve at Rabbit Mountain 14950 N. 55th St., Longmont, CO

Full Moon Hike: Moonlight At the Ponds

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

Art In the Parks: Creating Fun, Nature-inspired Art

Heil Valley Ranch - Wapiti Trailhead 1188 Geer Canyon Rd., Boulder

Conservation Awards

Ron Stewart Parks & Open Space Building 5201 St Vrain Rd, Longmont, CO

Hikes for Seniors: Calwood Fire Recovery

Heil Valley Ranch - Wapiti Trailhead 1188 Geer Canyon Rd., Boulder

Hard Rock Mining Van Tour