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 →
We enjoy watching the many critters that live near and on the water, but what about what lives under the water? Join us as we explore the critters that live... read more →
Siempre hay flores para aquellos que quieren verlas. Join us for a moderate 1.5-mile wildflower hike to celebrate Mother’s Day. We will saunter along the trail in between ponderosa pines... read more →
Are you curious about butterflies or ever wondered where monarchs go during their incredible migration? Join volunteer naturalists for a beginner’s guide to our colorful local butterflies. This slide program... read more →
Join volunteer naturalists as we explore the evolution of biodiversity in Boulder County over time. What plants, animals, birds, and insects were present in 1720, 1820, 1920, 2020? How do... read more →