The Boulder Open Space Conservancy

The Boulder Open Space Conservancy

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Read on to learn more about your BOSC. This partnership is a unique collaboration of two equal and independent entities: OSMP and the community non-profit BOSC.

BOSC is a non-profit partner of City of Boulder OSMP dept, to promote the ecological resilience of our public lands to climate change through sponsorship of conservation projects & community education, for the benefit of current and future generations. Boulder Open Space Conservancy seeks to galvanize community commitment to inspire stewardship of land resources, enhance educational opportunities

05/27/2026

Our Spring Full Moon Jazz is FULL! Thank you to the 300+ who emailed their RSVP!We are sorry that we can only accommodate less than half this capacity at the venue...we truly wish we could have everybody there! We didn’t expect so much interest so fast over the holiday weekend. Maybe we will add more events next year! But good news - please save the date for our Fall Full Moon Jazz Sunday, September 27th. Stay tuned for a new registration system too! 🌕✨
Bosc.org

05/01/2026

Mount Sanitas Trails Need Repair

YOU Can Help!

A historic effort is underway to repair the iconic Mount Sanitas trails and recreation area, improve community access, and restore damaged areas and fragile native plant life with a $1.1 million matching grant. We’re calling on our community to join the legacy and step up for Sanitas with a gift of donation!

https://bosc.org/donate/

For more than a century, Mount Sanitas has been Boulder’s backyard sanctuary - a place to move, breathe, and heal. Its dramatic hogback ridges, Ponderosa Pine forests, and sweeping grasslands draw nearly 375,000 visits to its trails every year, making it one of the most popular recreation areas in Boulder.

Boulder Open Space Conservancy is raising funds to leverage a $1.1 million grant to repair and protect this irreplaceable landscape for future generations. Your tax-deductible gift - whatever feels meaningful to you - will directly increase sustainability and help preserve this beautiful open space that serves as our city’s backdrop for generations to come.

This is our chance to honor the legacy of Mount Sanitas and ensure it endures.

To read more about the Mount Sanitas Trail project: https://bouldercolorado.gov/projects/mount-sanitas-trail-project

THANK YOU for Stepping Up for Sanitas!

04/25/2026

A week left to share your input! Click the link below to make your voice heard.

Have you taken our multimodal questionnaire yet?

We're asking you to help guide the future of multimodal access: trails, trailheads, bike connections, wayfinding and more. It's part of a bigger push to make Boulder's open spaces easier to reach for everyone, building on work like the 67 new bike racks we just installed across the system. A week left to share your input. Open through May 3.

➡️bldr.fyi/multimodal

Photos from City of Boulder Open Space & Mountain Parks's post 04/21/2026

Thank you Volunteers! ❤️

Snow Leopard Sisters promo clip 04/10/2026

ALMOST SOLD OUT!

Get your tickets today! The first 4 people today to email [email protected] will receive one complimentary ticket!

Boulder Open Space Conservancy is the Call2Action partner and co-presenter for the film, Snow Leopard Sisters at BIFF. The film will be showing tomorrow Saturday, April 11th at 10:00am at Grace Commons 1820 15th Street Boulder.

Immediately after the film, join us for a Call2Action "Talk Back" panel for folks who were moved during the film to learn more and/or take action.

Call2Action Panel: Predator/Human conflict poses a serious hurdle to wildlife conservation -- a challenge in Nepal with snow leopards and in the Western U.S. with wolves. On the panel to discuss these issues are:

Dorje Dolma - originally from Dolpo, Nepal, a herder in her youth and the author of "Yak Girl";

Chip Isenhart - of Wild Ranch, supporting livestock producers on the front lines of wolf conflict;

Dave Johnson - supporting Snow Leopard conservation as Director of the Katie Adamson Conservation Fund;

Eric Schmidt - Executive Director of Wildlife Protection Solutions, developing technology to protect endangered species;

Caine Delacy Ph.D. - Just the Wild Expeditions bringing a perspective on human/predator conflict through his work on mountain lions, bears and wolves.

Watch the film trailer: https://youtu.be/LtAt84Av2v8

Link in comments to purchase tix.

Snow Leopard Sisters promo clip UK, Feature Documentary, 95 minutes, 2025Snow Leopard Sisters tells the extraordinary story of an unlikely yet unbreakable friendship between two Indigenous ...

04/10/2026

Update on the Goat trail

Check out all OSMP trail closures at bldr.fyi/OSMP-closures

04/06/2026

📣 Discount Code Alert! 🚨

Boulder Open Space Conservancy is excited to be the Call2Action partner and co-presenter for the film, Snow Leopard Sisters at BIFF. The film will be showing this Saturday, April 11th at 10:00am at Grace Commons 1820 15th Street Boulder.

Special for you, our wonderful BOSC community, use code SNOW at checkout for a discount good for this film only, Snow Leopard Sisters to the first 25 people who use the code!

After the film, join us for a “Talk Back” panel Q&A and Call2Action for folks who were moved during the film to learn more and take action!

Photos from The Boulder Open Space Conservancy's post 03/17/2026

Boulder Open Space Conservancy is excited to announce our partnership with Boulder International Film Festival again this year!

BOSC will co-present a very important film, Snow Leopard Sisters, on Sat, April 11th at 10:00am showing at Grace Commons 1820 15th St. in Boulder.

Snow Leopard Sisters tells the extraordinary story of an unlikely yet unbreakable friendship between two Indigenous women living in one of the most remote corners of the Himalayas. The film follows snow leopard conservationist Tshiring Lhamu Lama as she mentors 17-year-old Tenzin Bhuti Gurung, who is seeking to escape a forced marriage. Together, they traverse the rugged terrain of the Himalayas in search of the endangered snow leopard, discovering courage, resilience, and the power of women’s leadership along the way.

After the film, BOSC is hosting a free panel Q&A and Call 2 Action for folks who were moved during the film to take action for local wildlife. Panelists will be announced soon!

Go to Bosc.org or biff1.com for more info.

Link to purchase tickets to Snow Leopard Sisters film:
https://tickets.biff1.com/schedule/69aee5c2e543057f7cf59215

03/14/2026

Please share

“The City of Boulder will close all city-owned Open Space and Mountain Parks property west of Hwy. 93, Broadway and Hwy. 36 from sunset today, Friday, March 13, to sunrise on Sunday, March 15 as a fire prevention and visitor safety measure. This includes all trails and trailheads in the western part of the OSMP system. Flagstaff Road will also be closed to non-residential traffic.”Read more: https://ow.ly/HQR550YtOL5

The City of Boulder will close all city-owned Open Space and Mountain Parks property west of Hwy. 93, Broadway and Hwy. 36 from sunset today, Friday, March 13, to sunrise on Sunday, March 15 as a fire prevention and visitor safety measure. This includes all trails and trailheads in the western part of the OSMP system. Flagstaff Road will also be closed to non-residential traffic. Read more: https://ow.ly/HQR550YtOL5

Photos from The Boulder Open Space Conservancy's post 01/27/2026

Volunteer this weekend in your community to support BOSC at Old Man Winter Bike Rally & Run in Lyons! Volunteers who complete their shift will receive a hot meal, Old Man Winter Rally swag, and a donation will be made to Boulder Open Space Conservancy! Copy the link in comments to sign up to volunteer. Don’t forget to enter BOSC as the charity for which you are volunteering!

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Boulder, CO
80302