Family Sunset Walk: Alexx & Michael’s Pond
2025-08-08 19:00 - 20:00 (America/Denver) | Alexx & Michael’s Pond
Get a different feel for Broomfield’s open space as you explore it with a naturalist at sunset. Everyone is welcome! There is NO CHARGE for these programs! For more information, please visit broomfield.org/4150/Nature-Program
Click here to view location maps

Preschool Wednesday Morning Nature Walk: Plaster Reservoir
2025-08-13 09:00 - 10:00 | Plaster Reservoir
These walks are designed especially for preschoolers and their guardians. Take a walk with naturalists through Broomfield’s open space areas. Learn about the animals and plants in your own backyard. Explore the area and learn about nature while having fun. There is NO CHARGE for these programs!
For more information, please visit broomfield.org/4150/Nature-Program
Click here to view location maps.

Nature Fest: A celebration of Nature through storytelling, learning stations, arts and crafts, and exploring the open space.
2025-08-16 09:00 - 12:00 | Metzger Farm Open Space, 12080 Lowell Blvd, CO, 80020, United States
A celebration of Nature through storytelling, learning stations, arts and crafts, and exploring the open space.

Please bring your reusable water bottle; water refill stations will be available.
Thank you to all of the community groups and nonprofits participating in the 2nd Annual NatureFest:

Bird Conservancy of the Rockies
City & County of Broomfield Wildlife Masters, Coyote Crew, and Trail Ambassadors
Plein Air Painters
Bat Watch of Rocky Mountain Wild
Rocky Mountain Wildlife Alliance
People & Pollinators Action Network (PPAN)
Broomfield Bird Club
Colorado Monarch Ambassadors
Dark Sky Colorado
Harlequin’s Gardens
Sister Cities Broomfield – Cheyenne & Arapaho Tribes, Broomfield Nature Program
Spellbinders, Broomfield History
GRIT Teen Gardening Program
Broomfield Open Space Action Network (BOSAN)
Korrinn Mallory
Butterfly Pavilion’s Urban Prairies Project
Martin Ogle (environmental educator)
Broomfield Photography Club

BOSF General Meeting
2025-08-18 18:00 - 20:00
Everyone is Welcome!

Preschool Wednesday Morning Nature Walk: Tom Frost Reservoir
2025-08-27 09:00 - 10:00 | Tom Frost Reservoir

Preschool Wednesday Morning Nature Walk: Josh’s Pond
2025-09-10 09:00 - 10:00 | Josh’s Pond

Family Sunset Walk: Josh’s Pond
2025-09-12 19:00 - 20:00 | Josh’s Pond
Get a different feel for Broomfield’s open space as you explore it with a naturalist at sunset. Everyone is welcome! There is NO CHARGE for these programs! For more information, please visit broomfield.org/4150/Nature-Program
Click here to view location maps.

Broomfield Open Space Action Network Event (BOSAN): Put Your Nature Detective Hat On! Bio Blitz
2025-09-13 07:30 - 09:30
Broomfield’s open spaces are home to a plethora of plants and animals native to Colorado.

You are invited to join the Bird Conservancy of the Rockies, City and County of Broomfield, Broomfield Open Space Foundation, and Butterfly Pavilion’s Urban Prairie Project Restoration Master Volunteers, and other open space champions from the community to investigate all the living things found in the Broomfield Commons Open Space or The Field.

We will be conducting a bio blitz (cataloging all life) using the iNaturalist app (a free app used to identify plants and animals) and some nature guides to identify as many plants and animals as we can find. Stay as long as you like, any amount of time you can contribute is helpful! All skill levels and ages are welcome and children are welcome with an adult.

This event is FREE and open to all ages.

Bring water, sunscreen, sunglasses, hats, closed-toe shoes, and a curious and observant mind. If you plan to bring your phone to use iNaturalist, please download the app and set up your account before the event.

For the Broomfield Commons Location: We will meet at the Broomfield County Commons Park, near the playground.

For The Field: We will meet at the Brunner House.

Register for Commons bio blitz: September 13th

Register for The Field bio blitz: September 13th

BOSF General Meeting
2025-09-15 18:00 - 20:00, 2025-10-20 18:00 - 20:00, 2025-11-17 18:00 - 20:00, 2026-01-12 18:00 - 20:00, 2026-02-09 18:00 - 20:00, 2026-03-16 18:00 - 20:00, 2026-04-20 18:00 - 20:00, 2026-05-18 18:00 - 20:00 | Brunner House, 640 Main Street, Broomfield, Colorado, 80020

Preschool Wednesday Morning Nature Walk: Alexx & Michael’s Pond
2025-09-24 09:00 - 10:00 | Alexx & Michael’s Pond

Discover Metzger Farmstead
2025-09-27 09:00 - 12:00 | Metzger Farm Open Space, 12080 Lowell Blvd, CO, 80020, United States
Have you wondered what Metzger Farmstead looks like behind the fences? The last chance to come out and see Metzger Farmstead for the year is September 27. Gates will open at 9 am and close at 12 pm. If you come, you will see the Master Gardeners Group and Plein Aire Painters.
Metzger Farmstead is located at 12080 Lowell Blvd. Learn more about the history of the farmstead here. This property is adjacent to the Big Dry Creek Trail, and is home to diverse wildlife, including Great Blue Herons, who often nest in this area.

Migratory Bird Day
2025-09-29 16:30 - 18:30 | Plaster Reservoir
You are invited to join the third annual Migratory Bird Day from our partners at the City and County of Broomfield’s Open Space and Trails. This year’s theme is Shared Spaces, and the event will take place near the southern side of Plaster Reservoir. Take a beginner-friendly birding tour around the reservoir and learn about avian identification, migration, and conservation practices. Then meet with local partner organizations to gain insights on ways to protect birds in Broomfield.
Prepare to be outside: wear closed-toed shoes, apply sunscreen, bug spray, and if you have your own binoculars please bring them! This event is FREE of charge and needs NO registration! Education for all ages, come fly by!
For more information please visit our event website at: Broomfield.org/MigratoryBirdDay

Preschool Wednesday Morning Nature Walk: Anthem Trailhead
2025-10-08 09:00 - 10:00 | Anthem Trailhead

Family Sunset Walk: Lac Amora Trail
2025-10-10 19:00 - 20:00 | Lac Amora Trail

Open Space and Trails Speaker Series: "A Brief Geologic History of Colorado" with Dr. Lon Abbott
2025-10-15 19:00 - 20:00
Held Virtually via Zoom on Wednesdays, 7 – 8 p.m.

Click here to join the talk

Broomfield Open Space Action Network Event (BOSAN): Seed Harvest
2025-10-25 09:00 - 12:00
Ridgeview Open Space is host to many native flowering plants and grasses, and we’d like to spread the wealth to Broomfield Commons Open Space, but we must first harvest seeds. On October 25th from 9 am-12 pm, you’re invited to join the City and County of Broomfield, Broomfield Open Space Foundation, and Butterfly Pavilion’s Urban Prairie Project Restoration Master Volunteers to harvest seeds to be planted at a later date in Broomfield Commons Open Space. You do not need to be an expert on native plants nor an expert seed harvester, there will be instructions and experts there to guide you.

This event is FREE and open to all ages.

We will meet at the corner of 13th Ave West and Quartz Drive. North of King Soopers located at 1150 US-287 N Broomfield, CO 80020

Bring water, sunscreen, sunglasses, and a hat. Wear pants, a long sleeved shirt, and sturdy shoes.

Register here: here

Broomfield Open Space Action Network Event (BOSAN): Seed Planting
2025-11-08 10:00 - 12:00
Time to spread the seeds we harvested at Ridgeview! On November 8th from 10-12 pm, you are invited to plant native seeds that were harvested at Ridgeview with the City and County of Broomfield, Broomfield Open Space Foundation, and Butterfly Pavilion’s Urban Prairie Project Restoration Master Volunteers, and other open space champions.

This event is FREE and open to all ages.

Bring water, sunscreen, sunglasses, and a hat. Wear pants, a long-sleeved shirt, and sturdy shoes.

Meet at SW Quadrant of The Field Open Space

Register here

Open Space Speakers Series: “Wildlife Reintroduction & County Trends with Colorado Parks and Wildlife” Cassy Penn, Colorado Parks & Wildlife District Wildlife Manager
2025-11-12 19:00 - 20:00
Held Virtually via Zoom on Wednesdays, 7 – 8 p.m.
Discover the return of Colorado’s native wildlife! This presentation will explore our state’s storied reintroduction efforts, from the past successes with lynx and moose to the current, voter-mandated reintroduction of wolves. We’ll also dive into the remarkable wildlife sightings right here in Broomfield County including everything from bears, birds, elk, and even bobcats! Join us to learn more about living alongside these incredible Colorado animals.
Click here to join the talk

Open Space Speaker Series: "Bison: Cultural and Ecological Keystones of the West" Shannon Dennison, Director of Denver Mountain Parks and Wildlife
2026-02-12 19:00 - 20:00 | Virtural
Click here to join the talk

Open Space Speaker Series: Preservation of Critical Habitat for the Migratory Monarch Butterfly in Central Mexico" Shiran Hershcovich
2026-03-12 19:00 - 20:00 | Virtural

Dig In and Plant! Broomfield Open Space Action Network Event
2026-04-25 10:00 - 13:00 | Metzger Farm Open Space, 12080 Lowell Blvd, CO, 80020, United States
Keep the Earth Day celebration going with us by restoring habitat by planting at the Metzger Farm Open Space. Join the City and County of Broomfield, City of Westminster, Colibri Creative Conservation Solutions, Broomfield Open Space Foundation, and Butterfly Pavilion’s Urban Prairie Project Restoration Master Volunteers, and other open space champions from the community on Saturday, April 25th from 10-1 pm. This event is FREE and open to all ages. Bring gloves, wear sturdy closed-toe shoes, long sleeves and pants, snacks, and water. We will provide instruction, tools, and plants.
Broomfield volunteers register here:
VolunteerHub Link

Westminster volunteers register here: https://forms.cloud.microsoft/Pages/ResponsePage.aspx?id=cbtO-VY1JEaVR7cl7pcclCnbXNiVZLNEkbLnjNE-HtRUMVoyRk5VMFFaMUlaUTU1NzBYVjNGWldWTi4u

Kid's Fishing Derby--Registration Required
2026-05-02 08:00 - 11:00 | Metzger Farm Open Space, 12080 Lowell Blvd, CO, 80020, United States
2026 Derby
Broomfield’s Kids’ Fishing Derby has moved to the Spring season – please join us on Saturday, May 2! This all-inclusive fishing event is great for beginners or experienced anglers alike. A brief introductory fishing clinic, poles, and bait are provided. Kids will enjoy a one-hour fishing session. The fishing poles and any fish caught may be taken home. Parent/guardian supervision is required. *Please note that the location has changed from previous years and will be held at Metzger Open Space and Farmstead!
Registration
Registration is required. Registrations will be monitored closely and children on the waiting list will be added when spots open up. Click the button below to register for the 2026 derby now!
Volunteer
Volunteer at Broomfield’s annual children’s Fishing Derby at the Metzger Open Space and Farmstead! Volunteers will be on the shoreline to help with fishing skills, line detangling, bagging fish and fish dispatch. Volunteers must complete a background check to participate. Sign up to volunteer by clicking the button below!

Register Here

Volunteer

Parking
Please park at the Metzger Open Space Trailhead (12080 Lowell Blvd). Additional overflow parking will be available!

Put Your Nature Detective Hat On! Broomfield Open Space Action Network Event
2026-05-25 09:00 - 11:00 | Metzger Farm Open Space, 12080 Lowell Blvd, CO, 80020, United States
Bio Blitz Events
Broomfield and Westminster open spaces are home to a plethora of plants and animals native to Colorado.
You are invited to join the Bird Conservancy of the Rockies, City and County of Broomfield, City of Westminster, Colibri Creative Conservation Solutions, Broomfield Open Space Foundation, and Butterfly Pavilion’s Urban Prairie Project Restoration Master Volunteers, Colibri Creative Conservation Solutions, and other open space champions from the community to investigate all the living things found in the Broomfield Commons Open Space or The Field.
We will be conducting a bio blitz (cataloging all life) using the iNaturalist app (a free app used to identify plants and animals) and some nature guides to identify as many plants and animals as we can find. Stay as long as you like, any amount of time you can contribute is helpful! All skill levels and ages are welcome and children are welcome with an adult.
This event is FREE and open to all ages.
Bring water, snacks, sunscreen, sunglasses, hats, closed-toe shoes, and a curious and observant mind. If you plan to bring your phone to use iNaturalist, please download the app and set up your account before the event.
Metzger Farm Open Space Location (12080 Lowell Blvd, Broomfield, CO 80020): We will meet at the Metzger Farm Open Space parking lot.
Register here: VolunteerHub Link
Westy Registration Links:
May 20th https://forms.cloud.microsoft/Pages/ResponsePage.aspx?id=cbtO-VY1JEaVR7cl7pcclCnbXNiVZLNEkbLnjNE-HtRUQVBWM1FQTFExUkU4SVkxUFpOUllUTjFEWC4u
