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X-WR-CALNAME:Boulder County
X-ORIGINAL-URL:https://bouldercounty.gov
X-WR-CALDESC:Events for Boulder County
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BEGIN:VEVENT
DTSTART;TZID=America/Denver:20250904T183000
DTEND;TZID=America/Denver:20250904T200000
DTSTAMP:20260528T104404
CREATED:20250902T174319Z
LAST-MODIFIED:20250908T195949Z
UID:10001748-1757010600-1757016000@bouldercounty.gov
SUMMARY:Fall in the Foothills
DESCRIPTION:Join us in celebrating autumn through an exciting indoor slide and activity program! Explore the beauty of our county’s open spaces virtually and discover the best spots to enjoy the vibrant colors of this season’s plants. Whether you’re looking for a scenic picnic spot near a trailhead\, a hike along picturesque paths that showcase fall’s splendor\, or a leisurely ramble to study the diverse birds and flora of our area\, we’ve got you covered!\nRegistration required. \nRegister
URL:https://bouldercounty.gov/event/fall-in-the-foothills/
LOCATION:Lyons Community Library\, 451 4th Ave\, Lyons\, CO\, 80504
CATEGORIES:Hikes & Events,Parks & Open Space
ORGANIZER;CN="Carlos Lerma":MAILTO:clerma@bouldercounty.gov
GEO:40.2244937;-105.270374
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Lyons Community Library 451 4th Ave Lyons CO 80504;X-APPLE-RADIUS=500;X-TITLE=451 4th Ave:geo:-105.270374,40.2244937
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20250905T094500
DTEND;TZID=America/Denver:20250905T103000
DTSTAMP:20260528T104404
CREATED:20250902T174320Z
LAST-MODIFIED:20250908T195948Z
UID:10001749-1757065500-1757068200@bouldercounty.gov
SUMMARY:Fun on the Farm: Piñata\, Piñata
DESCRIPTION:Children ages 3 to 6 will love to visit the farm to learn about animals\, plants\, and agricultural life. “The Piñata the Farm Maiden Hung\,” is a bilingual story for National Hispanic Heritage Month about the farm animals helping the farmer throw a fiesta. The program includes hands-on activities and a take-home craft. Afterwards\, explore the farm and meet the farm animals from the story. Children must be accompanied by an adult. This is the final Fun on the Farm program for the 2025 season.\nRegistration is not required for this activity\, but you can still sign up to be notified in case the event is unexpectedly canceled. \nSign Up
URL:https://bouldercounty.gov/event/fun-on-the-farm-pinata-pinata/
LOCATION:Agricultural Heritage Center\, 8348 Ute Hwy\, Longmont\, CO\, 80503
CATEGORIES:Ag Heritage Center,Hikes & Events,Parks & Open Space
ORGANIZER;CN="Jim Drew":MAILTO:jdrew@bouldercounty.gov
GEO:40.20296469;-105.1576138
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Agricultural Heritage Center 8348 Ute Hwy Longmont CO 80503;X-APPLE-RADIUS=500;X-TITLE=8348 Ute Hwy:geo:-105.1576138,40.20296469
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20250906T120000
DTEND;TZID=America/Denver:20250906T140000
DTSTAMP:20260528T104404
CREATED:20250902T174321Z
LAST-MODIFIED:20250908T195947Z
UID:10001750-1757160000-1757167200@bouldercounty.gov
SUMMARY:Gold Panning
DESCRIPTION:Try your hand at gold panning! This activity led to the European settlement of Boulder County as people sought their fortunes. Do you have what it takes to travel back in time and search for gold?\nNederland Mining Museum. Gold panning is open to ages 5 and older. \nRegistration required. \nNoon-12:30 p.m. 12:45-1:15 p.m. 1:30-2 p.m.
URL:https://bouldercounty.gov/event/gold-panning-sept-6/
LOCATION:Nederland Mining Museum\, 200 N. Bridge Street\, Nederland\, CO\, 80466
CATEGORIES:Hikes & Events,Nederland Mining Museum,Parks & Open Space
GEO:39.962708;-105.510559
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Nederland Mining Museum 200 N. Bridge Street Nederland CO 80466;X-APPLE-RADIUS=500;X-TITLE=200 N. Bridge Street:geo:-105.510559,39.962708
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20250912T190000
DTEND;TZID=America/Denver:20250912T203000
DTSTAMP:20260528T104404
CREATED:20250902T174322Z
LAST-MODIFIED:20250908T195945Z
UID:10001751-1757703600-1757709000@bouldercounty.gov
SUMMARY:Batty About Bats in Boulder County
DESCRIPTION:Bring the whole family for a nighttime adventure at Heil Valley Ranch! We’ll learn about Boulder County’s amazing bats\, why they’re important to nature\, and what challenges they face. We’ll use a bat detector to listen in on their high-frequency calls and explore the ranch’s nighttime soundscape. A fun and educational adventure for nature lovers of all ages! \nRegistration required. \nRegister
URL:https://bouldercounty.gov/event/batty-about-bats-in-boulder-county/
LOCATION:Heil Valley Ranch – Wapiti Trailhead\, 1188 Geer Canyon Rd.\, Boulder\, 80302
CATEGORIES:Hikes & Events,Parks & Open Space
ORGANIZER;CN="Carlos Lerma":MAILTO:clerma@bouldercounty.gov
GEO:40.146995;-105.300291
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Heil Valley Ranch – Wapiti Trailhead 1188 Geer Canyon Rd. Boulder 80302;X-APPLE-RADIUS=500;X-TITLE=1188 Geer Canyon Rd.:geo:-105.300291,40.146995
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20250913T100000
DTEND;TZID=America/Denver:20250913T120000
DTSTAMP:20260528T104404
CREATED:20250902T174325Z
LAST-MODIFIED:20250908T195945Z
UID:10001752-1757757600-1757764800@bouldercounty.gov
SUMMARY:Wander\, Wonder\, and Watercolor: A Nature Journaling Journey
DESCRIPTION:Embark on a creative adventure at Walden Ponds Wildlife Habitat. This all-ages program will guide you on a nature walk while observing 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! \nRegistration Required. \nRegister
URL:https://bouldercounty.gov/event/wander-wonder-and-watercolor-a-nature-journaling-journey/
LOCATION:Walden Ponds Wildlife Habitat\, 3893 N. 75th St.\, Boulder\, CO\, 80301
CATEGORIES:Hikes & Events,Parks & Open Space
ORGANIZER;CN="Carlos Lerma":MAILTO:clerma@bouldercounty.gov
GEO:40.044004;-105.184012
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Walden Ponds Wildlife Habitat 3893 N. 75th St. Boulder CO 80301;X-APPLE-RADIUS=500;X-TITLE=3893 N. 75th St.:geo:-105.184012,40.044004
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20250913T120000
DTEND;TZID=America/Denver:20250913T150000
DTSTAMP:20260528T104404
CREATED:20250902T174333Z
LAST-MODIFIED:20250908T195944Z
UID:10001761-1757764800-1757775600@bouldercounty.gov
SUMMARY:Small Engine Day
DESCRIPTION: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!\nRegistration not required.
URL:https://bouldercounty.gov/event/small-engine-day-2/
LOCATION:Nederland Mining Museum\, 200 N. Bridge Street\, Nederland\, CO\, 80466
CATEGORIES:Hikes & Events,Nederland Mining Museum,Parks & Open Space
GEO:39.962708;-105.510559
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Nederland Mining Museum 200 N. Bridge Street Nederland CO 80466;X-APPLE-RADIUS=500;X-TITLE=200 N. Bridge Street:geo:-105.510559,39.962708
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20250914T110000
DTEND;TZID=America/Denver:20250914T140000
DTSTAMP:20260528T104404
CREATED:20250902T174332Z
LAST-MODIFIED:20250908T195944Z
UID:10001759-1757847600-1757858400@bouldercounty.gov
SUMMARY:Altona School Open House
DESCRIPTION: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.\nRegistration not required.
URL:https://bouldercounty.gov/event/altona-school-open-house-7/
LOCATION:Altona Schoolhouse
CATEGORIES:Hikes & Events,Parks & Open Space
ORGANIZER;CN="Sheryl Kippen":MAILTO:skippen@bouldercounty.gov
GEO:40.132179;-105.298169
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20250918T090000
DTEND;TZID=America/Denver:20250918T110000
DTSTAMP:20260528T104404
CREATED:20250902T174331Z
LAST-MODIFIED:20250908T195943Z
UID:10001758-1758186000-1758193200@bouldercounty.gov
SUMMARY:Hike for Seniors: Fall Flowers
DESCRIPTION:Join us for a 1-mile\, easy to moderate hike in the foothills near Boulder. We’ll look at what’s still blooming in this wildflower hotspot and talk about how pollinators and flowers interact on the landscape. \nRegistration required. \nRegister
URL:https://bouldercounty.gov/event/hike-for-seniors-fall-flowers/
LOCATION:Bald Mountain\, 4241 Sunshine Canyon Dr\, Boulder\, CO\, 80302
CATEGORIES:Hikes & Events,Parks & Open Space
ORGANIZER;CN="Carlos Lerma":MAILTO:clerma@bouldercounty.gov
GEO:40.04764074;-105.341337
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Bald Mountain 4241 Sunshine Canyon Dr Boulder CO 80302;X-APPLE-RADIUS=500;X-TITLE=4241 Sunshine Canyon Dr:geo:-105.341337,40.04764074
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20250920T093000
DTEND;TZID=America/Denver:20250920T113000
DTSTAMP:20260528T104404
CREATED:20250902T174326Z
LAST-MODIFIED:20250908T195942Z
UID:10001753-1758360600-1758367800@bouldercounty.gov
SUMMARY:Putting the ‘Fun’ in Fungi
DESCRIPTION:Curious about the hidden world of fungi? Join us for a guided mushroom walk and hands-on exploration to discover the vital role they play in sustaining healthy ecosystems. Learn simple ways to protect biodiversity in your own backyard while connecting with fellow nature enthusiasts. No prior fungi knowledge required. \nRegistration required. \nRegister
URL:https://bouldercounty.gov/event/putting-the-fun-in-fungi/
LOCATION:Anne U. White\, 121 Pinto Dr.\, Boulder\, CO\, 80302
CATEGORIES:Hikes & Events,Parks & Open Space
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20250920T110000
DTEND;TZID=America/Denver:20250920T150000
DTSTAMP:20260528T104404
CREATED:20250902T174332Z
LAST-MODIFIED:20250908T195942Z
UID:10001760-1758366000-1758380400@bouldercounty.gov
SUMMARY:Assay Office Museum Open House
DESCRIPTION: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.\nRegistration not required.
URL:https://bouldercounty.gov/event/assay-office-museum-open-house-9/
LOCATION:Assay Office Museum\, 6352 Fourmile Canyon Dr\, Boulder\, CO\, 80302
CATEGORIES:Assay Office Museum,Hikes & Events,Parks & Open Space
ORGANIZER;CN="Sheryl Kippen":MAILTO:skippen@bouldercounty.gov
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20250923T150000
DTEND;TZID=America/Denver:20250923T160000
DTSTAMP:20260528T104404
CREATED:20250902T174228Z
LAST-MODIFIED:20250908T200005Z
UID:10001723-1758639600-1758643200@bouldercounty.gov
SUMMARY:Conservation Awards
DESCRIPTION:The Boulder County Commissioners and Parks & Open Space staff will present their annual Conservation Awards at the Ron Stewart Parks & Open Space building in Longmont on Wednesday\, Sept. 18\, 3-4 p.m. \nThe Conservation Awards honor individuals or groups for outstanding contributions made to the preservation and protection of land-based environmental resources\, promotion or preservation of cultural practices or cultural history\, and community connections to open space. \nThe commissioners will present the following awards: \n\nLand Conservation Award: Linda Holubar Sanabria for commitment to conservation by preserving the Spruce Gulch property\, adding to thousands of acres of contiguous protected land in this area of the Rocky Mountain Foothills.\nEnvironmental Stewardship Award: Dave Sutherland for commitment to environmental stewardship and protecting and preserving the natural world through decades of outstanding work as an environmental educator and naturalist in Boulder County.\nCommunity Connections Awards: Andrea Yoloteotl Nawage for work through Harvest of All First Nations in providing a space for Indigenous people to connect back to the land.\nCultural and Historic Preservation Award: Stephanie Wendorf for contributions as a devoted partner of the Agricultural Heritage Center\, playing a vital role in preserving and sharing the county’s agricultural legacy.\nOutstanding Volunteer Awards:\n\nRoberta Johnston for years of service as a Wildlife Master Volunteer\, contributing significantly to the success of Boulder County’s Wildlife Master Program.\nKumiko “Amy” Iwata for work as a volunteer on native seed collections and weed eradication efforts\, including as a founding member of the Weed Warriors program.
URL:https://bouldercounty.gov/event/conservation-awards-2/
LOCATION:Ron Stewart Parks & Open Space Building\, 5201 St Vrain Rd\, Longmont\, CO\, 80503
CATEGORIES:County Commissioners,Hikes & Events,Home Page,Parks & Open Space
GEO:40.170049;-105.166708
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Ron Stewart Parks & Open Space Building 5201 St Vrain Rd Longmont CO 80503;X-APPLE-RADIUS=500;X-TITLE=5201 St Vrain Rd:geo:-105.166708,40.170049
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20250925T183000
DTEND;TZID=America/Denver:20250925T200000
DTSTAMP:20260528T104404
CREATED:20250902T174326Z
LAST-MODIFIED:20250915T160158Z
UID:10001754-1758825000-1758830400@bouldercounty.gov
SUMMARY:The Mystery of Bird Migration
DESCRIPTION:Some birds are seen year-round in Boulder County\, some only in summer or winter\, and others visit only briefly in spring or fall. Learn why birds make seasonal journeys\, how they know when and where to go\, how they find their way\, and what brings them back year after year. Join volunteer naturalists to explore these and other fascinating mysteries surrounding the amazing world of bird migration. \nRegistration required. \nRegister
URL:https://bouldercounty.gov/event/the-mystery-of-bird-migration/
LOCATION:Ron Stewart Parks & Open Space Building\, 5201 St Vrain Rd\, Longmont\, CO\, 80503
CATEGORIES:Hikes & Events,Parks & Open Space
ORGANIZER;CN="Carlos Lerma":MAILTO:clerma@bouldercounty.gov
GEO:40.170049;-105.166708
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Ron Stewart Parks & Open Space Building 5201 St Vrain Rd Longmont CO 80503;X-APPLE-RADIUS=500;X-TITLE=5201 St Vrain Rd:geo:-105.166708,40.170049
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20250925T183000
DTEND;TZID=America/Denver:20250925T213000
DTSTAMP:20260528T104404
CREATED:20250902T170442Z
LAST-MODIFIED:20250915T164512Z
UID:10001034-1758825000-1758835800@bouldercounty.gov
SUMMARY:Parks & Open Space Advisory Committee (POSAC)
DESCRIPTION:Complete details can be found at Parks & Open Space Advisory Committee.
URL:https://bouldercounty.gov/event/parks-open-space-advisory-committee-posac-20/
LOCATION:Commissioners’ Hearing Room\, Downtown County Courthouse\, 1325 Pearl Street\, 3rd Floor\, Boulder\, CO\, 80302\, United States
CATEGORIES:Hikes & Events,Parks & Open Space,Parks & Open Space Advisory Committee
GEO:40.018877;-105.278254
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Commissioners’ Hearing Room Downtown County Courthouse 1325 Pearl Street 3rd Floor Boulder CO 80302 United States;X-APPLE-RADIUS=500;X-TITLE=Downtown County Courthouse\, 1325 Pearl Street\, 3rd Floor:geo:-105.278254,40.018877
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20250926T181500
DTEND;TZID=America/Denver:20250926T204500
DTSTAMP:20260528T104404
CREATED:20250902T174330Z
LAST-MODIFIED:20250908T195940Z
UID:10001757-1758910500-1758919500@bouldercounty.gov
SUMMARY:Nebulas to Star Clusters
DESCRIPTION:Does it seem like astronomers speak a different language? Let’s demystify some astronomical names and terms. Join us for fun demonstrations and an interactive ‘language’ lesson. Then\, view the night sky and understand\, as astronomers describe what we see through the telescopes. \nRegistration required. \nRegister
URL:https://bouldercounty.gov/event/nebulas-to-star-clusters/
LOCATION:Ron Stewart Preserve at Rabbit Mountain\, 14950 N. 55th St.\, Longmont\, CO\, 80503
CATEGORIES:Hikes & Events,Parks & Open Space
ORGANIZER;CN="Angela Borland":MAILTO:aborland@bouldercounty.gov
GEO:40.24638048;-105.2243578
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Ron Stewart Preserve at Rabbit Mountain 14950 N. 55th St. Longmont CO 80503;X-APPLE-RADIUS=500;X-TITLE=14950 N. 55th St.:geo:-105.2243578,40.24638048
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20250928T100000
DTEND;TZID=America/Denver:20250928T123000
DTSTAMP:20260528T104404
CREATED:20250902T174327Z
LAST-MODIFIED:20250908T195940Z
UID:10001755-1759053600-1759062600@bouldercounty.gov
SUMMARY:Nature Detectives in the Field: Mineral Adventures in Nederland
DESCRIPTION:Join us for an outdoor family program designed for children 6 and older\, though all ages are welcome. We will explore the fascinating world of mining history and geology in Nederland\, beginning with a hike at Mud Lake. Families will take part in activities such as erosion control\, building the Flatirons\, and matching minerals with their commercial uses. \nAfter our outdoor exploration\, we will head to the Nederland Mining Museum to learn more about the mining process and experience the thrill of gold panning. This program blends hands-on activities with history and science to foster a love for nature\, geology\, and local heritage in a fun\, interactive setting. \nRegistration required. \nRegister
URL:https://bouldercounty.gov/event/nature-detectives-in-the-field-mineral-adventures-in-nederland/
LOCATION:Mud Lake\, 2034 County Rd 126\, Nederland\, CO\, 80466
CATEGORIES:Hikes & Events,Parks & Open Space
ORGANIZER;CN="Carlos Lerma":MAILTO:clerma@bouldercounty.gov
GEO:39.979472;-105.50781
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Mud Lake 2034 County Rd 126 Nederland CO 80466;X-APPLE-RADIUS=500;X-TITLE=2034 County Rd 126:geo:-105.50781,39.979472
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20250928T110000
DTEND;TZID=America/Denver:20250928T130000
DTSTAMP:20260528T104404
CREATED:20250902T174328Z
LAST-MODIFIED:20250908T195939Z
UID:10001756-1759057200-1759064400@bouldercounty.gov
SUMMARY:Art in the Parks: Creating a Composition
DESCRIPTION:Join volunteer naturalists for an art program in nature! Volunteers will provide limited guidance in creating one or more drawings that capture elements of the natural world found at Hall Ranch. They will demonstrate how thumbnail sketches on a single page can create a coherent composition and share examples from well-known nature artists\, such as Linda Miller Feltner and John Muir Laws\, for inspiration. The program provides ample time to create a composition of your choice. No experience is necessary. All supplies are provided. \nRegistration required. \nRegister
URL:https://bouldercounty.gov/event/art-in-the-parks-creating-a-composition/
LOCATION:Hall Ranch\, 31635 CO Hwy 7\, Lyons\, CO
CATEGORIES:Hikes & Events,Parks & Open Space
ORGANIZER;CN="Carlos Lerma":MAILTO:clerma@bouldercounty.gov
GEO:40.21058055;-105.287777
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Hall Ranch 31635 CO Hwy 7 Lyons CO;X-APPLE-RADIUS=500;X-TITLE=31635 CO Hwy 7:geo:-105.287777,40.21058055
END:VEVENT
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