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X-WR-CALDESC:Events for Boulder County
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BEGIN:VEVENT
DTSTART;TZID=America/Denver:20260502T100000
DTEND;TZID=America/Denver:20260502T120000
DTSTAMP:20260617T092338
CREATED:20260316T162947Z
LAST-MODIFIED:20260316T163733Z
UID:10003347-1777716000-1777723200@bouldercounty.gov
SUMMARY:Wander\, Wonder & 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! Participation is flexible; feel free to stay at the accessible shelter if you prefer or join the optional walk at your own comfort level. \nRegistration required. \nRegister
URL:https://bouldercounty.gov/event/wander-wonder-watercolor-a-nature-journaling-journey-3/
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:20260508T133000
DTEND;TZID=America/Denver:20260508T150000
DTSTAMP:20260617T092338
CREATED:20260316T162948Z
LAST-MODIFIED:20260316T204212Z
UID:10003348-1778247000-1778252400@bouldercounty.gov
SUMMARY:Wildflowers of Boulder County
DESCRIPTION:Join us to kick off wildflower season by learning about the diversity of wildflowers in Boulder County. Participants will learn about species ranging from the plains to the alpine\, as well as where and when to look for them. Presented by Boulder County Parks and Open Space. \nRegistration will open approximately 20 days before the event.
URL:https://bouldercounty.gov/event/wildflowers-of-boulder-county-may-8/
LOCATION:CO
CATEGORIES:Hikes & Events,Parks & Open Space
ORGANIZER;CN="Carlos Lerma":MAILTO:clerma@bouldercounty.gov
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20260513T173000
DTEND;TZID=America/Denver:20260513T190000
DTSTAMP:20260617T092338
CREATED:20260427T142020Z
LAST-MODIFIED:20260427T142020Z
UID:10003708-1778693400-1778698800@bouldercounty.gov
SUMMARY:Alternating Trail Use Pilot Project Open House: Boulder
DESCRIPTION:Learn more about the Alternating Trail Use Pilot Project and provide feedback. \nTwo open houses are scheduled and will include the same information and activities. Please attend only one. Each event is drop-in style so you can come any time during the scheduled hours. There will be stations with information about the pilot and chances to share your thoughts. Expect to spend 20–30 minutes\, depending on how much feedback you want to share. Please note\, there will not be a formal presentation with commentary\, feedback will be gathered through the activities. Food and refreshments will be provided. \nSign Up \nRegistration is not required\, but you can still sign up to receive email reminders and be notified in case the event is unexpectedly canceled.
URL:https://bouldercounty.gov/event/alternating-trail-use-pilot-project-open-house-boulder/
LOCATION:Commissioners’ Hearing Room\, Downtown County Courthouse\, 1325 Pearl Street\, 3rd Floor\, Boulder\, CO\, 80302\, United States
CATEGORIES:Hikes & Events,Home Page,Parks & Open Space
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:20260515T194500
DTEND;TZID=America/Denver:20260515T221500
DTSTAMP:20260617T092338
CREATED:20260316T162959Z
LAST-MODIFIED:20260316T163813Z
UID:10003349-1778874300-1778883300@bouldercounty.gov
SUMMARY:Astronomy: From our Backyard to the Big Bang
DESCRIPTION:Ever wonder what lies beyond our solar system? Or how far we can see when we look deep into the night sky? Join Boulder County volunteer naturalists for an evening of exploration that begins close to home and extends to the origins of the universe. \nStart with a look at the objects found in our own solar system\, then stretch outward to the stars and structures of the Milky Way. Then we’ll travel even farther\, discovering what “deep sky” is and how these distant sights help us understand where the universe came from. Along the way\, we’ll introduce the Big Bang in simple\, engaging terms and share how scientists study the early universe today. \nPresentations 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! \nRegistration required. \nRegister
URL:https://bouldercounty.gov/event/astronomy-from-our-backyard-to-the-big-bang/
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:20260516T090000
DTEND;TZID=America/Denver:20260516T140000
DTSTAMP:20260617T092338
CREATED:20260316T163000Z
LAST-MODIFIED:20260408T162115Z
UID:10003350-1778922000-1778940000@bouldercounty.gov
SUMMARY:World Migratory Bird Day of the Rockies
DESCRIPTION:World Migratory Bird Day is officially celebrated on the second Saturday of May in Canada and the U.S.\, and the second Saturday of October in Mexico\, Central and South America\, and the Caribbean. This year\, World Migratory Bird Day highlights birds from around the world to celebrate the 2026 theme: “Every Bird Counts – Your Observations Matter!” Learn how these species contribute to our understanding of migratory patterns and connect with communities across the globe. \nJoin us on Saturday\, May 16\, at Walden Ponds Wildlife Habitat for a fun-filled day celebrating the incredible journeys of migratory birds and learning how we can all make a difference for bird conservation. \nEvent Highlights: \n\nSpecial ceremony recognizing Boulder as an official Bird City by the Bird City Network.\nLive bird-of-prey showcase.\nGuided bird walks for all abilities (available in English and Spanish).\nBird identification games & hands-on activities for all ages.\nEducational stations hosted by amazing organizations like the Butterfly Pavilion\, City of Boulder Open Space and Mountain Parks\, Greenwood Wildlife Rehabilitation Center\, Boulder Audubon Society\, Harlequin’s Gardens\, and the Xerces Society for Invertebrate Conservation.\n\nRegistration required. \nRegister
URL:https://bouldercounty.gov/event/world-migratory-bird-day-of-the-rockies/
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:20260516T110000
DTEND;TZID=America/Denver:20260516T150000
DTSTAMP:20260617T092338
CREATED:20260316T163001Z
LAST-MODIFIED:20260316T163948Z
UID:10003351-1778929200-1778943600@bouldercounty.gov
SUMMARY:Assay Office Museum Open House
DESCRIPTION: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.
URL:https://bouldercounty.gov/event/assay-office-museum-open-house-may-16/
LOCATION:Assay Office Museum\, 6352 Fourmile Canyon Dr\, Boulder\, CO\, 80302
CATEGORIES:Assay Office Museum,Hikes & Events,Parks & Open Space
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20260516T140000
DTEND;TZID=America/Denver:20260516T153000
DTSTAMP:20260617T092338
CREATED:20260316T163003Z
LAST-MODIFIED:20260316T204234Z
UID:10003352-1778940000-1778945400@bouldercounty.gov
SUMMARY:The Birds and the Bees and Beyond: The Inside Story of Pollination
DESCRIPTION:Pollinators play essential roles in our food supply and the health of ecosystems. While many of us think of honeybees as the primary pollinators\, much of the work is done by other surprising sources\, including beetles\, butterflies\, moths\, wind\, and water. Discover the many pollination strategies of plants during this family-friendly slideshow and outdoor walk. We’ll explore how plants and animals work together to create a bountiful world\, and what we can do to help them thrive. \nRegistration will open approximately 20 days before the event.
URL:https://bouldercounty.gov/event/the-birds-and-the-bees-and-beyond-the-inside-story-of-pollination-may-16/
LOCATION:Longmont Public Library\, 409 4th Ave\, Longmont\, CO\, 80501
CATEGORIES:Hikes & Events,Parks & Open Space
ORGANIZER;CN="Carlos Lerma":MAILTO:clerma@bouldercounty.gov
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20260517T073000
DTEND;TZID=America/Denver:20260517T103000
DTSTAMP:20260617T092338
CREATED:20260316T163004Z
LAST-MODIFIED:20260316T164107Z
UID:10003353-1779003000-1779013800@bouldercounty.gov
SUMMARY:Birding Big Sit
DESCRIPTION:World Migratory Bird Day is officially celebrated on the second Saturday of May in Canada and the U.S.\, and the second Saturday of October in Mexico\, Central and South America\, and the Caribbean. Come celebrate World Migratory Bird Day with us at our next Birding Big Sit at Lagerman Reservoir!  \nThis inclusive trailhead event allows park users to both stand and sit to watch birds. Spotting scopes and optics will be available to borrow and use. This is a drop-in event for anyone who wants to see birds. All ages and skill levels are welcome. We will be under the shelter near the parking lot. \nRegistration required. \nRegister
URL:https://bouldercounty.gov/event/birding-big-sit-may-17/
LOCATION:Lagerman Agricultural Preserve
CATEGORIES:Hikes & Events,Parks & Open Space
ORGANIZER;CN="Eva Lark":MAILTO:elark@bouldercounty.gov
GEO:40.135921764612;-105.19050215167
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20260517T100000
DTEND;TZID=America/Denver:20260517T123000
DTSTAMP:20260617T092338
CREATED:20260413T074539Z
LAST-MODIFIED:20260413T194717Z
UID:10003692-1779012000-1779021000@bouldercounty.gov
SUMMARY:Art in the Parks
DESCRIPTION: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.   \nThrough 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. \nRegistration required. \nRegister
URL:https://bouldercounty.gov/event/art-in-the-parks-may-17/
LOCATION:Pella Crossing\, 11600 N. 75th St.\, Longmont\, CO\, 80503
CATEGORIES:Hikes & Events,Parks & Open Space
ORGANIZER;CN="Carlos Lerma":MAILTO:clerma@bouldercounty.gov
GEO:40.18364391;-105.1767969
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Pella Crossing 11600 N. 75th St. Longmont CO 80503;X-APPLE-RADIUS=500;X-TITLE=11600 N. 75th St.:geo:-105.1767969,40.18364391
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20260521T090000
DTEND;TZID=America/Denver:20260521T100000
DTSTAMP:20260617T092338
CREATED:20260511T141512Z
LAST-MODIFIED:20260518T135906Z
UID:10003716-1779354000-1779357600@bouldercounty.gov
SUMMARY:Public Meeting on Integrated Weed Management Plan
DESCRIPTION:Integrated Weed Management Plan Implementation – Red Hill Cheatgrass Treatment Pause \nThis public meeting continues the Board of County Commissioners’ discussion from the Feb. 26 public meeting on the Integrated Weed Management Plan (IWMP) 2025 annual report and the Red Hill drone spraying project at Heil Valley Ranch Open Space. The commissioners raised several questions about the annual report\, and the Parks and Open Space Department memo will address those inquiries. The meeting will also include a discussion by the commissioners on the paused IWMP implementation efforts at Red Hill\, which were put on hold at the end of 2025. \nNo public comment will be accepted during this public meeting. Learn more about the IWMP. \nWatch thee meeting using Zoom\nCall-in information: 1-833-568-8864\, Webinar ID: 165 750 7000
URL:https://bouldercounty.gov/event/public-meeting-iwmp-may-21/
LOCATION:Commissioners’ Hearing Room\, Downtown County Courthouse\, 1325 Pearl Street\, 3rd Floor\, Boulder\, CO\, 80302\, United States
CATEGORIES:County Commissioners,Hikes & Events,Parks & Open Space
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:20260522T094500
DTEND;TZID=America/Denver:20260522T103000
DTSTAMP:20260617T092338
CREATED:20260316T163016Z
LAST-MODIFIED:20260316T164150Z
UID:10003355-1779443100-1779445800@bouldercounty.gov
SUMMARY:Fun on the Farm: Cow A Palooza
DESCRIPTION:Children ages 3-6 will love to visit the farm to learn about animals\, plants\, and agricultural life. Discover the importance of cows to the farm through stories\, butter making\, and milking Lohry\, our life-sized replica cow. We’ll also visit the live cows on the farm. Afterwards\, explore the farm. Children must be accompanied by an adult.  \nNo registration required.
URL:https://bouldercounty.gov/event/fun-on-the-farm-cow-a-palooza/
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:20260523T100000
DTEND;TZID=America/Denver:20260523T120000
DTSTAMP:20260617T092338
CREATED:20260316T163017Z
LAST-MODIFIED:20260316T165335Z
UID:10003356-1779530400-1779537600@bouldercounty.gov
SUMMARY:Hammering on the Farm
DESCRIPTION:Drop by anytime from 10 a.m. to noon to watch the blacksmith work his craft. Listen to the clang-clang-clang of the hammer and the hum of the coal forge blower. Learn about blacksmithing tools such as hammers\, tongs\, anvils\, swage blocks\, and more.  \nRegistration not required but recommended. \nSign Up
URL:https://bouldercounty.gov/event/hammering-on-the-farm-may-23/
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:20260528T100000
DTEND;TZID=America/Denver:20260528T120000
DTSTAMP:20260617T092338
CREATED:20260316T163015Z
LAST-MODIFIED:20260520T231627Z
UID:10003354-1779962400-1779969600@bouldercounty.gov
SUMMARY:Hikes for Seniors: Flower Power
DESCRIPTION:This event was originally scheduled for May 21\, but was rescheduled to May 28 due to muddy conditions.  \nDiscover the resilience of nature on a 2-mile hike along Heil Valley Ranch’s Lichen Loop\, where wildflowers bloom in the wake of wildfire. We’ll explore their beauty\, ecological role\, and cultural history at a relaxed pace. The trail includes moderate inclines and rocky areas and may have mud or ice patches; hiking poles and traction are recommended. Participation is flexible; join as much of the walk as you’re comfortable with or hang back at the shelter. \nRegistration required. \nRegister
URL:https://bouldercounty.gov/event/hikes-for-seniors-flower-power/
LOCATION:CO
CATEGORIES:Hikes & Events,Parks & Open Space
ORGANIZER;CN="Carlos Lerma":MAILTO:clerma@bouldercounty.gov
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Denver:20260528T173000
DTEND;TZID=America/Denver:20260528T200000
DTSTAMP:20260617T092338
CREATED:20260427T142352Z
LAST-MODIFIED:20260514T204722Z
UID:10003709-1779989400-1779998400@bouldercounty.gov
SUMMARY:Parks & Open Space Advisory Committee (POSAC)
DESCRIPTION:The Parks & Open Space Advisory Committee (POSAC) will meet on May 28 from 5:30 to 8 p.m. The meeting will be held in a hybrid format where attendees can join through Zoom or in-person at the Boulder County Courthouse\, 1325 Pearl Street\, 3rd Floor\, Boulder. \nComplete details can be found at Parks & Open Space Advisory Committee.
URL:https://bouldercounty.gov/event/posac-may-28/
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:20260530T100000
DTEND;TZID=America/Denver:20260530T123000
DTSTAMP:20260617T092338
CREATED:20260316T163018Z
LAST-MODIFIED:20260316T164246Z
UID:10003357-1780135200-1780144200@bouldercounty.gov
SUMMARY:All About Evergreens Hike
DESCRIPTION: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.  \nRegistration required. \nRegister
URL:https://bouldercounty.gov/event/all-about-evergreens-hike-may-30/
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
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