Join volunteer naturalists and astronomers from the Longmont Astronomical Society for a series of summer night astronomy programs. Together we'll learn about the night skies and view the celestial bodies... read more →
The geologic history of Boulder County’s remarkable landscape goes back nearly two billion years! Rocks contain a record of the earth’s history that can be read like the pages in... read more →
This hike is for anyone who likes looking at birds or just wants something fun and different to do in the outdoors. We welcome those who identify as LGBTQ+, allies,... read more →
Join us as we explore the central role that pollinating insects and their habitats play in functioning ecosystems. On our hike along the creek, we’ll gain a better understanding of... read more →
Join volunteer naturalists for a slide program to kick off the wildflower season! You’ll learn about the diversity of wildflowers in Boulder County from the plains to the alpine, where,... read more →
Have you ever been curious about the different grasses that grow along Boulder County trails? Join volunteer naturalists for a short 2-mile hike at Rabbit Mountain to learn about the... read more →
Come and discover Hall Ranch Open Space! Whether you have visited many times or this is your first, this program will reveal a Hall Ranch that you have never known.... read more →
Join volunteer naturalists and Louisville ranger naturalists on a special nature hike to find and report plants and animals around Coal Creek Trail as part of the City Nature Challenge.... read more →
The Board of County Commissioners will hold a public hearing to review the proposed East Boulder Creek Site Management Plan for Prairie Run Open Space. Opportunity for live virtual and... read more →
Moderate Hike. Wildflowers are blooming and showing their bright colors. Purples, yellows, whites, and reds dot the hillsides and valleys at higher elevations. Bask in the natural beauty that sprouts... read more →