Drop by anytime during the open house to go inside the historic schoolhouse where students studied and played from 1880 to the World War II era. Volunteers will be on hand to share the school’s history and restoration with visitors. If time allows, you can take part in a game or spelling bee. Registration not required.

With recent Sasquatch sightings near Longmont, Boulder County Parks & Open Space has brought in seasoned Bigfoot trackers to look for answers. Join this team of investigators as they attempt to track and locate the legendary creature known as Bigfoot — under the cover of darkness — at Heil Valley Ranch. You’ll participate in various activities aimed at luring in the elusive beast, such as wood knocks, howls, and other proven techniques. Fun for the whole family! 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 program is for anyone who enjoys looking at birds or simply wants something fun and different to do outdoors. We welcome those who identify as LGBTQIA+, allies, families, or anyone who wants to enjoy an inclusive outdoor experience. This will be a slow hike covering 1.5 miles on a wide, relatively flat trail. This free event is for all ages and skill levels — no prior birdwatching experience necessary. Loaner optics will be provided. Near Boulder. Location provided upon registration. 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.

These fascinating creatures are more than just cute little rodents that chew up the grass. This fun and informative presentation explores the history, ecology, social structure, life cycle, behavior, and language of this keystone species — a true pillar of the prairie. 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 for an easy 1.6-mile walk around Lagerman Reservoir. Take a glance at what ducks are on the water and the shorebirds that line the reservoir’s edge. The trail is flat, with a shelter and benches to sit and rest. 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.

Welcome summer with a 1.5-mile hike on the longest day of the year. Discover twilight wildlife activity and hear solstice stories from around the world. This program is for adults and families with children ages 6 and older. 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 ever wondered about the grasses that grow along Boulder’s trails? Join volunteer naturalists for a 1.5-mile hike — with 250 feet of elevation gain and loss — at Heil Valley Ranch to learn about early season grasses of the foothills. We’ll search for different species, discuss the vital role grasses play in healthy ecosystems, and explore wildfire impacts and management activities. Look closely, and you might develop a new appreciation for our beautiful — yet often overlooked — grasses. 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 and astronomers from the Longmont Astronomical Society for a summer night astronomy program. Together, we'll learn about the night skies and view the celestial bodies residing in our galaxy and beyond. Mercury, the smallest planet in our solar system, may be small, but it has some big secrets. Join us to learn more about this mighty planet that closely orbits the sun and all of its surprising qualities. Bring a chair or blanket, a light jacket, and a red flashlight, and get ready to enjoy a night out with the family. The presentation is at the picnic shelter. It is followed by stargazing in the parking area. Telescopes are provided by the Longmont Astronomical Society. 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 all-ages event welcomes LGBTQIA+ participants and allies. Join us for a morning of birding as we look for nesting foothills bird species. Together, we’ll traverse approximately 1.2 miles with only 60 feet of elevation change. There are bathrooms, benches, and shade along parts of the trail, but the route includes uneven, narrow dirt trails. This free event is open to all skill levels — no prior birdwatching experience necessary. Loaner optics will be provided. Near Boulder. Location provided upon registration. 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.