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.
- This event has passed.
Discover Harney-Lastoka Open Space
Come discover Harney-Lastoka Open Space! Whether you have visited many times, or this is your first visit, this program will reveal the Harney-Lastoka that you have never known. While taking a flat, 1.2-mile hike, we’ll tell stories, share fun facts, and explain the unique natural and cultural history of this open space property and development buffer located between Lafayette and Louisville. Adult Program (Ages 13 & older)
Registration for most programs begins on the 20th of the month before the event.
Registration required.
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.