Visit the Boulder County Ballot Measures website for information about 2025 ballot measures.

Acres of Open Space

Acres of Open Space

Boulder County actively works to conserve natural, cultural and agricultural resources and provide public uses that reflect sound resource management and community values.

How Much Land Does the County Protect?

Public Land

Land that is publicly owned or leased. 2,582 acres of land protected by county conservation easements are also owned and protected by municipal open space agencies.

67,519 acres

Protected Private Land

Land that is privately owned but protected under conservation easements.

40,571 acres

Total

108,090 acres

How Much Public Land is Accessible?

Fully Open

Land that is publicly owned or leased. 2,582 acres of land protected by county conservation easements are also owned and protected by municipal open space agencies.

22,016 acres
(33%)

Open with Some Restricted Areas

Mainly for natural resources.

8,846 acres
(13%)

Open with Seasonal Closures

For wildlife habitat.

1,941 acres
(3%)

On-Trail Use Only

Mainly through agricultural land.

6,367 acres
(9%)

Fully Closed

Mainly for agriculture. In total, there are 26,228 acres of land dedicated for agriculture.

28,349 acres
(42%)

Updated Oct. 1, 2025.

Contact Us

Parks & Open Space

303-678-6200
8 a.m. to 4:30 p.m.
Monday-Friday

Office Location

5201 St. Vrain Road
Longmont, CO 80503
Map and Directions

Office Hours
8 a.m.-4:30 p.m.
Monday-Thursday
Friday by phone, email, or appointment only.

Parks are open sunrise to sunset

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