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Nature Hikes and Programs

Nature Hikes and Programs

Natural Selections is our ongoing series of educational nature programs on topics including ecology, wildlife, local history, night hikes, field workshops with local artists, star-gazing, children’s programs, plus many more. All programs are free and open to the public. Please do not bring dogs except for special dog-guardian hikes.

Do you want Natural Selections sent to you by email?  Follow this link to join our mailing list! Select "Natural Selections" from the drop down list. You will receive a weekly notice about upcoming programs. We will not share your email address or send you spam!

Teachers, scout troops and community groups can obtain free individual programs from Open Space and Mountain Parks naturalists, visit the  Request an Environmental Education Program page to learn more.

Upcoming Nature Hikes & Programs

6th Annual “Celebrating Bird Migration” Festival in Lafayette

Sunday, September 22, 2019 | 01:00 PM | Other Off-OSMP Location

Waneka Lake, Lafayette Explore the wonderful world of birds in a beautiful place! See a live Golden Eagle and other birds of prey up close and view birds in the wild through spotting scopes and binoculars. Learn about migration, marshes and the ...

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KIDS: Crayons by the Creek!

Monday, September 23, 2019 | 10:00 AM | Bobolink

Welcome Autumn with crayons and stories by Bobolink Creek. Join naturalist Ellen Orleans for picture books, after which we’ll walk along the creek bank and settle in for coloring. Color matching, tracing leaves, or freeform drawing: there’s someth...

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Sunset Yoga on Flagstaff Mountain

Monday, September 23, 2019 | 06:00 PM | Flagstaff Sunrise Amphitheater

Join local certified yoga teacher Rebekah Boatrite for a free Vinyasa Yoga session celebrating the unity of the autumnal equinox. This all levels class will utilize the power of nature to connect to ourselves and the natural world. Please bring yo...

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Passionate about Prairie? PROGRAM FULL

Tuesday, September 24, 2019 | 09:00 AM |

Journey through the prairie landscape of Jewel Mountain, one of OSMP’s more remote, diverse and resilient prairies, normally closed to the public except on staff-led hikes. Plant ecologist Lynn Riedel and naturalist Lynne Sullivan will guide you t...

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KIDS: After School Adventures

Tuesday, September 24, 2019 | 03:30 PM | Enchanted Mesa

Join OSMP for an afternoon of exploring, climbing, splashing, and observing wildlife along the Lower McClintock Trail. After School Adventures is an opportunity for the whole family to connect with nature. Enjoy using your imagination to build, di...

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KIDS: Storytime Hike- Nature Detectives

Wednesday, September 25, 2019 | 09:30 AM | Wonderland Lake

Join OSMP for an outdoor story time followed by a kid-friendly hike. This program is designed for ages 3-6, but all are welcome. Please dress for the weather and bring water, sunscreen, and a snack if you’d like. Please meet at the trailhead. Thi...

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Community Seed Collection Project

Thursday, September 26, 2019 | 08:30 AM | Other Off-OSMP Location

--- Project Site: OSMP Location Parking/Registration: OSMP Cherryvale Trailhead - 66 South Cherryvale Road Project Contact: Josh Weinstein 720-607-3481 Project Volunteers will join staff in collecting Nuttall's sunflower (Helianthus nutta...

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KIDS: Nature Play

Thursday, September 26, 2019 | 10:00 AM | Flagstaff Summit West

Join OSMP for a morning of exploring, climbing and observing wildlife. Nature play is an opportunity for the whole family to connect with nature. Enjoy using your imagination to build, discover, and observe the natural world. A great way for child...

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KIDS: White Rocks Wonderland

Saturday, September 28, 2019 | 09:00 AM |

Enjoy a gentle kid-friendly 2-mile hike to see the White Rocks, an area so fragile and precious that it is ordinarily closed to visitation. This two-hour amble with hands-on games and activities will include a geology story as seen in the rocks, ...

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Cuentos de la Naturaleza

Saturday, September 28, 2019 | 10:00 AM | Wonderland Lake

Cuarto Sábado del mes (Mayo – Octubre) Los Naturalistas de OSMP estarán leyendo cuentos en español para niños pequeños y sus padres. Vengan a aprender del mundo natural y a descubrir lo que está pasando en cada estación por los senderos. Prepáren...

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Little Town on the Prairie: Ranger Paula’s Wild Adventures

Sunday, September 29, 2019 | 09:30 AM | South Boulder Creek Access

Join OSMP naturalists Dave Sutherland and Jenny Natapow on a wild adventure as we explore Boulder’s vibrant tall grass prairie ecosystem, at the peak of its fall brilliance. Our prairie explorations will include a special excursion through a blac...

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White Rocks with a Wildlife Focus

Tuesday, October 01, 2019 | 08:30 AM |

67 million years ago a river delta and beach at the edge of a shallow sea made possible today’s amazing White Rocks landscapes. This is one of the most unique places in Boulder, rich in local history, housing plants and animals of exceptional loca...

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KIDS: After School Adventures

Tuesday, October 01, 2019 | 03:30 PM | Sawhill Ponds

Join OSMP for an afternoon of exploring, climbing, splashing, and observing wildlife. After School Adventures is an opportunity for the whole family to connect with nature. Enjoy using your imagination to build, discover, and observe the natural w...

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KIDS: Storytime Hike- Farm Animals

Wednesday, October 02, 2019 | 10:00 AM | Teller Farm South

Join OSMP for an outdoor story time followed by a kid-friendly hike to learn about OSMP farms and the animals that live there. This program is designed for ages 3-6, but all are welcome. Please dress for the weather and bring water, sunscreen, and...

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SPARK Fall Hike: People with Early Memory Loss

Wednesday, October 02, 2019 | 10:00 AM |

Summer Gently Changes as Autumn Draws Near On this gentle hike we will observe subtle changes in the plants and wildlife, as summer begins to draw to a close, and nature prepares itself for autumn. We'll also talk about some of the myths of ancie...

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Forestry Project - Project CANCELLED

Thursday, October 03, 2019 | 09:00 AM | Other OSMP Location

Update: PROJECT CANCELLED due to project change for the OSMP forestry team. We apologize for any inconvenience.

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KIDS: Nature Play

Thursday, October 03, 2019 | 10:00 AM | South Mesa

Join OSMP for a morning of exploring, climbing, splashing, and observing wildlife. Nature play is an opportunity for the whole family to connect with nature. Enjoy using your imagination to build, discover, and observe the natural world. A great w...

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Homestead History Hike

Saturday, October 05, 2019 | 08:30 AM | South Mesa

Join naturalist Debbie Cushman for an adventure back in time and discover the history of the homesteaders in the South Boulder foothills area. We will explore the remains of historic cabins and hear tales of old on our journey: the deadly feud bet...

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KIDS: Fall Farm Tour at Cure Farm - Ranger Paula’s Wild Adventures

Sunday, October 06, 2019 | 10:00 AM |

SIGN UP FOR THE 10 - 11 AM TOUR! On this wild adventure to Cure Farm, we will experience the abundance, tastes, smells, joy and radiance of farm life in the fall. Cure Farm grows over 100 different organic crops and is home to a team of pigs, a...

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KIDS: Fall Farm Tour at Cure Farm - Ranger Paula’s Wild Adventures

Sunday, October 06, 2019 | 11:00 AM |

SIGN UP FOR THE 11 AM - 12 PM TOUR! On this wild adventure to Cure Farm, we will experience the abundance, tastes, smells, joy and radiance of farm life in the fall. Cure Farm grows over 100 different organic crops and is home to a team of pig...

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The Music of Landscapes: Gritty & Pretty

Sunday, October 06, 2019 | 02:00 PM | Shanahan Ridge / Lehigh

Rich with meaning and memories, our favorite landscapes speak to us in many ways: joy, beauty, nostalgia, awe, even dissonance. How do composers capture the essence of the land in music? At its next concert, the Boulder Philharmonic will explore b...

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Vibrant and Vital: Prairie Grasses and Prairie Dogs

Tuesday, October 08, 2019 | 09:30 AM | Other OSMP Location

Explore Boulder’s vibrant tall grass prairie ecosystem, at the peak of its autumn brilliance. Join OSMP naturalist Jenny Natapow as we wander through a dazzling array of colorful native grasses and learn about one of the most endangered ecosystems...

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Summit Green Mountain with Your Dog!

Tuesday, October 08, 2019 | 09:30 AM | Green Mountain West Ridge

Join naturalist Vangi Fortuna for a 2.5 mile round trip hike to the summit of Green Mountain, while we learn about autumn changes and enjoy Open Space with our furry friends. Please bring at least a liter of water (and a way to share with your dog...

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KIDS: After School Adventures

Tuesday, October 08, 2019 | 03:30 PM | Flagstaff Summit West

Join OSMP for an afternoon of exploring, climbing, and observing wildlife. After School Adventures is an opportunity for the whole family to connect with nature. Enjoy using your imagination to build, discover, and observe the natural world. A gre...

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KIDS: Storytime Hike- Planting the Seed

Wednesday, October 09, 2019 | 10:00 AM | Teller Farm South

Join OSMP for an outdoor story time followed by a kid-friendly hike to learn about OSMP farms and how seeds turn into plants. This program is designed for ages 3-6, but all are welcome. Please dress for the weather and bring water, sunscreen, and ...

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Community Seed Collection Project

Thursday, October 10, 2019 | 09:00 AM | Other Off-OSMP Location

--- Project Site: TBD Parking/Registration: TBD Project Contact: TBD Project Volunteers will join staff in collecting native seed for future restoration projects. More detail will be shared once the collection date nears. Please know th...

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KIDS: Nature Play

Thursday, October 10, 2019 | 10:00 AM | Enchanted Mesa

Join OSMP for a morning of exploring, climbing, splashing, and observing wildlife. Nature play is an opportunity for the whole family to connect with nature. Enjoy using your imagination to build, discover, and observe the natural world. A great w...

Sign Up

Escape to White Rocks!

Saturday, October 12, 2019 | 09:30 AM | White Rocks/Weiser

Enjoy an easy 2-mile hike to see the White Rocks, an area so fragile and precious that it is ordinarily closed to visitation. This three-hour- hike will include a geology story as seen in the rocks, an exploration of several microhabitats and a s...

Sign Up

The Music of Landscapes: Gritty & Pretty

Saturday, October 12, 2019 | 10:00 AM | Shanahan Ridge / Lehigh

Rich with meaning and memories, our favorite landscapes speak to us in many ways: joy, beauty, nostalgia, awe, even dissonance. How do composers capture the essence of the land in music? At its next concert, the Boulder Philharmonic will explore b...

Sign Up

KIDS: Going Batty!

Saturday, October 12, 2019 | 05:00 PM |

Goblins, ghosts, rats and BATS - it's that time of year when thoughts turn to creatures of the night. Join OSMP naturalists Big-Eared Betty and Batty Chica for an easy hike where you will learn the truth about vampires and hear all about how bats ...

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OSMP from A to Z: Explore Your Open Space!

Sunday, October 13, 2019 | 10:00 AM | Flagstaff Nature Center

Whether you’re new to Boulder, a long-time resident, or a visitor just passing through, this moderate hike will teach you why OSMP is such a special place. We’ll sample a smattering of OSMP’s history, geology, flora and fauna. You’ll gain a new ap...

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KIDS: Fishing Fun

Sunday, October 13, 2019 | 10:00 AM | Sawhill Ponds

Learn to fish with OSMP naturalist and angler extraordinaire Vijay Viswanathan. This program is best for children who have never been fishing or have limited fishing experience. Equipment and bait will be available, but feel free to bring your own...

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October Moonshine

Sunday, October 13, 2019 | 07:00 PM |

Ohhh, what a little moonlight can do! Experience nature by night while walking under the silvery light of the full Hunter’s Moon with naturalist Dave Sutherland. We’ll share legends, stories and hard science about our nearest celestial neighbor. C...

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KIDS: After School Adventures

Tuesday, October 15, 2019 | 03:30 PM | South Mesa

Join OSMP for an afternoon of exploring, climbing, splashing, and observing wildlife. After School Adventures is an opportunity for the whole family to connect with nature. Enjoy using your imagination to build, discover, and observe the natural w...

Sign Up

Escape to White Rocks!

Wednesday, October 16, 2019 | 08:30 AM | White Rocks/Weiser

Enjoy an easy 2-mile hike to see the White Rocks, an area so fragile and precious that it is ordinarily closed to visitation. This three-hour- hike will include a geology story as seen in the rocks, an exploration of several microhabitats and a s...

Sign Up

KIDS: Storytime Hike- Farms and Food

Wednesday, October 16, 2019 | 10:00 AM | Teller Farm South

Join OSMP for an outdoor story time followed by a kid-friendly hike to learn about OSMP farms and where our food comes from. This program is designed for ages 3-6, but all are welcome. Please dress for the weather and bring water, sunscreen, and a...

Sign Up

KIDS: Nature Play

Thursday, October 17, 2019 | 10:00 AM | Sawhill Ponds

Join OSMP for a morning of exploring, climbing, splashing, and observing wildlife. Nature play is an opportunity for the whole family to connect with nature. Enjoy using your imagination to build, discover, and observe the natural world. A great w...

Sign Up

Homestead History Hike

Friday, October 18, 2019 | 08:30 AM | South Mesa

Join naturalist Debbie Cushman for an adventure back in time and discover the history of the homesteaders in the South Boulder foothills area. We will explore the remains of historic cabins and hear tales of old on our journey: the deadly feud bet...

Sign Up

Passionate about Prairie? Jewel Mountain Tour

Saturday, October 19, 2019 | 09:00 AM |

Journey through the prairie landscape of Jewel Mountain, one of OSMP’s more remote, diverse and resilient prairies, normally closed to the public except on staff-led hikes. Naturalists Lynne Sullivan and Dave Sutherland will guide you through an i...

Sign Up

Drawing and Hiking in the Open Spaces

Sunday, October 20, 2019 | 10:00 AM |

Join Claudia Lastella to learn drawing techniques and what materials you will need to add some creativity to your hikes. We will be changing our focus from macro to micro and back: learning to sketch landscapes as well as flowers and other smaller...

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KIDS: Fishing Fun

Sunday, October 20, 2019 | 10:00 AM | Sawhill Ponds

Learn to fish with OSMP naturalist and angler extraordinaire Vijay Viswanathan. This program is best for children who have never been fishing or have limited fishing experience. Equipment and bait will be available, but feel free to bring your own...

Sign Up

KIDS: After School Adventures

Tuesday, October 22, 2019 | 03:30 PM | Enchanted Mesa

Join OSMP for an afternoon of exploring, climbing, splashing, and observing wildlife along the Lower McClintock Trail. After School Adventures is an opportunity for the whole family to connect with nature. Enjoy using your imagination to build, di...

Sign Up

KIDS: Storytime Hike

Wednesday, October 23, 2019 | 10:00 AM | Chautauqua Ranger Cottage

Join OSMP for a story time at the Ranger Cottage followed by a kid-friendly hike. This program is designed for ages 3-6, but all are welcome. Please dress for the weather and bring water, sunscreen, and a snack if you’d like. This location is whee...

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KIDS: Nature Play

Thursday, October 24, 2019 | 10:00 AM | Flagstaff Summit West

Join OSMP for a morning of exploring, climbing and observing wildlife. Nature play is an opportunity for the whole family to connect with nature. Enjoy using your imagination to build, discover, and observe the natural world. A great way for child...

Sign Up

KIDS: Fishing Fun

Sunday, October 27, 2019 | 10:00 AM | Sawhill Ponds

Learn to fish with OSMP naturalist and angler extraordinaire Vijay Viswanathan. This program is best for children who have never been fishing or have limited fishing experience. Equipment and bait will be available, but feel free to bring your own...

Sign Up

KIDS: After School Adventures

Tuesday, October 29, 2019 | 03:30 PM | Sawhill Ponds

Join OSMP for an afternoon of exploring, climbing, splashing, and observing wildlife. After School Adventures is an opportunity for the whole family to connect with nature. Enjoy using your imagination to build, discover, and observe the natural w...

Sign Up

KIDS: Bats and Owls, Orange and Black: Halloween Story Hour & Hike

Wednesday, October 30, 2019 | 10:00 AM | Chautauqua Ranger Cottage

Spread your wings and call hoo, hoo, woo! At today’s story hike, we’ll read picture books about night time creatures then embark on a Halloween-themed walk, looking for orange and black and examining owl pellets. Halloween costumes welcome. Pleas...

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KIDS: Nature Play

Thursday, October 31, 2019 | 10:00 AM | South Mesa

Join OSMP for a morning of exploring, climbing, splashing, and observing wildlife. Nature play is an opportunity for the whole family to connect with nature. Enjoy using your imagination to build, discover, and observe the natural world. A great w...

Sign Up

Community Seed Collection Project

Thursday, November 14, 2019 | 09:30 AM | Other Off-OSMP Location

--- Project Site: TBD Parking/Registration: TBD Project Contact: TBD Project Volunteers will join staff in collecting native seed for future restoration projects. More detail will be shared once the collection date nears. Please know th...

Sign Up

Partner Dancing with the Wild

Friday, November 15, 2019 | 01:00 PM |

With the trees as our leaders, we step into a dance with Nature! Listening to ourselves and to our partners in the Wild, we explore embodied expression through movement and writing. Let your hair down, let your breath in, soften your skin, grow ro...

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