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.

Join volunteer naturalists for a short, moderately strenuous hike to explore a landscape created by folding and faulting and see evidence of the seas that once inundated this area. Learn about the endemic plant species that rely on the unique soils found in this area. 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.

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 from the ground. Find these flowers along the trail as volunteer naturalists share stories and uses for some of our native plant species. 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.

“Shared Spaces: Creating Bird-Friendly Cities and Communities,” this campaign highlights the need for a healthy coexistence between humans and birds. It will focus on creating and adapting environments that support migratory bird populations across all communities, from bustling cities to smaller towns and communities. There are actions everyone can take to protect our shared spaces with wildlife. 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 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.

Stop by the unique Assay Office Museum on this open house day. Learn about assaying, hard rock mining, and the families in the area from long ago. Registration not required.

Learn about sheep and the important role they play on the farm. Program includes a short story time, hands-on activities, and a take-home craft. Afterwards, explore the farm. Children must be accompanied by an adult. 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 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.

In addition to naked-eye planets and stars, we can also see the asteroid Vesta in May. Learn more about Vesta, plus discover the wandering paths of other asteroids and comets. 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! 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.

Watch your step! Join volunteer naturalists on a moderate trek through prime rattlesnake habitat and learn about these often misunderstood and feared creatures. Meet at the shelter to share in a discussion about rattlesnake habitat and behavior and learn things you’d never imagine through seeing and feeling. You’ll walk away feeling more comfortable about sharing open space with these scaly friends. 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 us to meet some of our most important native conifers. We will walk about 2 miles around Mud Lake and down to the creek, looking for examples of the diversity of conifers in this ecosystem, including pine, spruce, and fir. We will attend to the habitats of the various evergreen species — why they are, where they are — and look for evidence of their relationships with other plant and animal members of the forest community. We’ll talk about how climate change affects conifers and will learn some identification tips. 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.