This hike will reveal the Ron Stewart Preserve at Rabbit Mountain that you have never known! We’ll explore the unique natural history, reveal the cultural history, tell stories, and share fun facts about this open space property located near Lyons. Registration required.Register .tribe-events-c-subscribe-dropdown{display:none;}

Step into Colorado’s hard rock mining past with this guided tour of historic sites once buzzing with picks, pulleys, and perseverance. Discover the tools, towns, and larger-than-life characters who shaped the region’s mining boom. Tours include moderate walking and are open to ages 10 and older with an accompanying adult. This tour involves visiting historic mining sites. Due to their nature and history, these sites may contain soil and water contaminated by heavy metals.Registration required.Register .tribe-events-c-subscribe-dropdown{display:none;}

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 slideshow program will review the amazing life cycle of butterflies, and will cover basic information on behavior, host plants, identification tips, and more. Sign up for this program on the Age Well Center website. .tribe-events-c-subscribe-dropdown{display:none;}

Take time to look at nature through an artistic lens. Experience an opportunity to sketch the awe-inspiring aspects of our county parks through a process of observation, contemplation, and visualization. Absolutely no experience in the arts is needed. Volunteer naturalists will guide your journey with ideas, some direction, and an opportunity to practice various skills. Through a series of five programs, we will explore basic sketching principles to make your experience unique and fun-filled. Programs will be held on the second weekend of the month, from 10 am to 12:30 pm, at either Walden Ponds or Pella Crossing.Registration required.Register .tribe-events-c-subscribe-dropdown{display:none;}

Drop by anytime between 11 a.m. and 2 p.m. to go inside the historic Altona 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.

Summer skies sparkle with meteors! Learn what causes meteor showers and why August’s Perseids are among the year’s favorites. Volunteer naturalists will help you get ready for peak viewing and share tips for watching shooting stars with the naked eye 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 required.Register .tribe-events-c-subscribe-dropdown{display:none;}

Join us for a special open house at the Assay Office Museum, a surviving structure from the heyday of hard rock mining in the Colorado mountains. Discover how miners once tested ore for valuable metals using assaying. Explore original tools and historical artifacts and hear stories from the mining boom era. Learn about the families who lived and worked in this rugged landscape and helped shape the region's rich mining heritage. This is a must-visit for anyone passionate about mining history, geology, or Colorado history. No registration needed.

Embark on an unforgettable journey to the past with this immersive historical event that will transport you back to the late 1800s. As you wander through the picturesque landscape of Walker Ranch Homestead, you'll encounter friendly costumed volunteers who bring the European settler history of the ranch to life. Engage in conversations with these knowledgeable guides as they demonstrate the daily tasks and traditions of the era. But the adventure doesn't stop there! You will have the opportunity to roll up your sleeves and actively participate! Forge a deeper connection to the past through hands-on learning as you engage in activities that were once an integral part of ranch life. And for the young and young-at-heart, immerse yourselves in the joy of playing historical games, an entertaining way to experience the past together. Activities may include the following. Please note that activities are subject to change based on volunteer availability. Blacksmith Demonstrations Log House Cooking Butter Churning Old Fashioned Laundry Old Fashioned Games Shingle Making General Store Guided tours will take place throughout the event. If you like, bring a picnic and blanket — there are no tables at the homestead. Free and fun for all ages. For the enjoyment […]

Boulder County supports an amazing variety of grasses. The grass family is one of the most important and common plant families, yet grasses are often overlooked because some don’t regard them as very showy. But look closely and you’ll develop a new appreciation for these beautiful plants! Grasses provide critical food for people and wildlife, prevent soil erosion, and are heroes in the fight against climate change. Registration required. Registration opens on June 20. <!--Register--> .tribe-events-c-subscribe-dropdown{display:none;}

Letters of Promise invites you to build a mindful, reciprocal relationship with the land through papermaking and reflection. Rooted in Indigenous guiding principles, ecological restoration, and the histories of place, this program blends gratitude, storytelling, and future-minded stewardship. You'll learn to make seed-embedded paper, then write your own letter of appreciation and plant it in the landscape to help nurture the next generation of native plants. Registration required.Register .tribe-events-c-subscribe-dropdown{display:none;}

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 required.Register .tribe-events-c-subscribe-dropdown{display:none;}

Strike it rich! Try your hand at gold panning and learn how the search for treasure sparked the European settlement of Boulder County. Do you have what it takes to uncover gold like a 19th-century prospector? Fun for kids 5 and older (and grown-ups, too). Registration required. Register for the Noon Session Register for the 12:45 Session Register for the 1:30 Session .tribe-events-c-subscribe-dropdown{display:none;}

Join volunteer naturalists for a slow, scenic loop at Bald Mountain to explore spring, summer, and fall wildflowers of the foothills. This 1-mile trail includes some rocky, narrow sections and gentle elevation gain. We’ll take our time, enjoy benches along the way, and appreciate the season’s blooms.Registration required.Register .tribe-events-c-subscribe-dropdown{display:none;}

Step into the vibrant soundscape of a summer night. Listen for chorusing frogs, singing crickets, and rustling nighttime wildlife as we explore the importance of sound in nature. This easy evening walk invites you to slow down and experience the rhythms of the dark. Registration required. Register .tribe-events-c-subscribe-dropdown{display:none;}

Embark on a creative adventure at Walden Ponds Wildlife Habitat! This all-ages program will guide you on a nature walk while you observe the beauty of the landscape. Then unleash your inner artist and capture the wonders you see through sketching, writing, and colorful exploration in your nature journal. All supplies are included. No artistic experience is necessary, just a love for nature and a curious mind! Participation is flexible; feel free to stay at the accessible shelter if you prefer or join the optional walk at your own comfort level. Registration required.Register .tribe-events-c-subscribe-dropdown{display:none;}

Step back in time and explore the fascinating world of early small engines — also known as hit-or-miss or skip motors — that once powered farms, mines, and more. Watch these historic machines in action, including a museum model that's more than 100 years old. Learn how they worked, what made them so reliable, and why they were essential to everyday life. Drop in anytime during the event — no registration required!