Get in the spring spirit and join us to celebrate our native evergreens! When other trees have dropped their leaves and skies turn cold and gray, evergreens keep our forests bright. Learn all about our conifers in this slideshow and hands-on event. You’ll have a new appreciation for the wondrous abilities of these trees and their associations with other members of the forest community, some quite strange and unexpected. You’ll also learn how to identify our native pines, firs, spruces, and junipers. 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.

Calling all Nature Detectives! Spring migration madness is upon us! Have you ever wondered where birds go when the weather changes? Join us for an adventure as we uncover the mysteries of bird migration and nesting. Perfect for families with children ages 6 to 8, this program will have you exploring nature, playing games, and learning fascinating facts alongside our volunteer naturalists. Get ready for some hands-on fun as we discover the incredible journeys these feathered friends take. 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.

Have you noticed more moose in the high country lately? Join us for an engaging indoor presentation exploring the fascinating world of moose in Boulder County! "Moose on the Loose" aims to inspire curiosity and understanding of these majestic creatures, fostering a commitment to their continued health and well-being. Learn about the successful reintroduction of moose in Colorado and how we can coexist safely with them. 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.

Easy/Moderate Hike. Join volunteer naturalists for a 1.3-mile moderate hike along the Lichen Loop Trail to learn how this landscape has changed. Tales told in the rocks span 200 million years, from ancient sand dunes to tidal flats to riverbeds where dinosaurs roamed. 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.

This event is canceled due to inclement weather. Venus shines big and bright in the morning sky in April and is often called the morning or evening star. Planets Venus and Mercury are only visible in the morning or evening sky — find out why and discover how the planets’ orbits affect their visibility from earth. Viewing with telescopes following the program. Presentations will be at the picnic shelter, followed by stargazing in the parking area. The Longmont Astronomical Society provides telescopes. Bring a chair or blanket, a light jacket, and a red flashlight, and get ready to enjoy a night under the stars!

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. All supplies will be provided. 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.

Join volunteer naturalists on a memorable nature hike to find and report plants and animals around Harney-Lastoka and Coal Creek Trail as part of the City Nature Challenge. The City Nature Challenge is an international effort for people to find and document plants and wildlife in cities across the globe. It’s a bio-blitz-style competition where cities are in a friendly contest to see who can report the most observations in nature, who can find the most species, and who can engage the most people. Join us at the Harney-Lastoka community gardens and bring a camera or smartphone with the iNaturalist app ready to use! 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.

This event was originally scheduled for April 19, but has been rescheduled to April 26 due to inclement weather. Explore the habitat and behaviors of ravens and wolves (as well as crows and coyotes) — creatures known for their intelligence, social bonds, and misunderstood reputations. All are native to Colorado, though wolves have been absent from Boulder County since the 1940s. Join us to discover what makes these animals so interesting, how they interact, and the unique partnership between wolves and ravens. The program includes hands-on exploration of mounts, pelts, scat, and prints, followed by a 1.5-mile hike to observe habitats and, with luck, some wildlife. 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.

Join volunteer naturalists for a wildflower hike in the foothills west of Boulder. We will hike about 1.5 miles through forest and meadows in search of early spring wildflowers while enjoying beautiful views of the snowy high country. 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.

There is much to learn about the cosmos. The night sky has brought wonder to all for millennia, and we have only just started to see what’s really out there. Join us for an interactive slide presentation about our universe and the stars, moons, and planets in our galaxy. Learn about the latest discoveries and how you can observe the big night sky for celestial bodies! Registration required. Register

We're excited to host our quarterly Birding Big Sit at the Lagerman Reservoir shelter! This inclusive trailhead event allows park users to both stand or sit to watch birds. Spotting scope and optics will be available to borrow and use. This program is for anyone that wants to see birds. You're welcome to drop-in any time during our program window. All skill levels are welcome. Registration for most programs begins on the 20th of the month before the event. Registration is not required for this activity, but you can still sign up to be notified in case the event is unexpectedly canceled. Register Registration is optional 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.