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To ensure that our open space is as it was then, as it is now, and as it will be …forever open.
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Support Boulder Open Space Conservancy
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About BOSC
Boulder's Open Space is more than a gift. It's our legacy.
The legacy of Boulder’s Open Space dates back over a century, when, in February of 1898, the Texas-Colorado Chautauqua Association and the City of Boulder entered into an agreement to locate the Chautauqua near Boulder. A city bond election was held in April of that same year, and the necessary bonds and expenditures were approved to purchase the land and build the first buildings. The following year, Congress approved the allocation of 1,800 acres of mountain backdrop/watershed, extending from South Boulder Creek to Sunshine Canyon.
In July 1959, the creation of the Blue Line restricted water lines from being extended beyond an elevation of 5,750 feet. In November of 1967, Boulder made history by passing the nation’s first voter-approved sales tax for open space and the creation of the Greenbelt. Another critical vote was passed when, in 1971, a 55-foot building height limit was set, ensuring views of the foothills and Flatirons will always endure. A historic preservation code was passed in 1974 and a residential growth management ordinance in 1976. Today, Boulder has preserved the largest per capita of open space in the country—over 45,000 acres and 148 miles of trails within the city. With your help, we will continue this legacy and keep Boulder Open Space forever open.
Community Connections to Food
Our mission is to create an agricultural center to educate the public, especially children, about the connection between organic food, nutrition, health, and environmental quality and to be a resource for farmers and ranchers throughout the region who are seeking information about transitioning to sustainable, organic methods of production.
Conservation
Investing in the overall vitality and resilience of the broader open space and mountain parks ecosystem.
Innovation & Thought Leadership
Staff-based institute promoting research and developing best practices around land and water stewardship, climate change, and resilience building projects.
Education & Engaging Youth
Investing in enhanced, community based nature centers, supporting environmental programs and teaching outdoor skills with the goal of ensuring youth gain a stewardship of resources philosophy.
BOSC Membership Plans
Join today and enjoy member benefits
Trailhead
Join today and receive newsletters, event invitations and e-updates
$25.00
Boulder Family
Join today and receive newsletters, event invitations and e-updates
$50.00
Sanitas
Join today and receive newsletters, event invitations, e-updates and BOSC hat
$100.00
Chautauqua
Join today and receive newsletters, event invitations, e-updates and a BOSC water bottle
$250.00
Royal Arch
Join today and receive, newsletters, event invitations, e-updates, a BOSC water bottle and a personal guided hike by OSMP naturalist
$500.00
First Flatiron
Join today and receive, newsletters, event invitations, e-updates, a water bottle, a hat and a personal guided hike by OSMP naturalist
$1,000.00
Contact Us
Mail
PO Box 1765,
Boulder, CO 80306Phone
206-321-2020Email
contact.bosc@gmail.com