City of Boulder Open Space and Mountain Parks Adventures
The City of Boulder Open Space and Mountain Parks offer over 45,000 acres of protected land that feature a diverse range of ecosystems, numerous trails, and stunning views of the Flatirons.
Popular Activities
Plan Your Visit
Everything you need to know to prepare for an unforgettable trip to City of Boulder Open Space and Mountain Parks.
Entrance Requirements
No entrance fee, but parking fees apply at certain trailheads.
Best Time to Visit
Spring and fall offer the best weather for outdoor activities, avoiding the summer heat and winter ice.
Visitor Information
Chautauqua Ranger Cottage and OSMP Headquarters provide maps and trail information.
Getting There
Accessible via several main roads; some parking locations can fill quickly during peak times.
Weather & Climate
Boulder's climate features cold winters with potential snowfall and hot summers. Spring and fall bring milder temperatures, perfect for outdoor activities.
Conservation Efforts
Invasive species management, erosion control, and fire risk reduction are ongoing conservation concerns.
Camping in City of Boulder Open Space and Mountain Parks
Find the perfect spot to stay overnight and immerse yourself in the details.
Top Trails
Chautauqua Trail
Offers stunning views of the Flatirons and easy access from the Chautauqua Park.
Royal Arch Trail
A steep and challenging trail leading to a natural stone arch.
Mesa Trail
Traverses the base of the mountains with connections to several other trails.
Bear Peak
Offers a strenuous hike with rewarding summit views over Boulder.
Trailblazer Tips
Weekdays are less crowded; visit then to avoid the weekend rush.
Winter can bring icy conditions; bring traction devices like microspikes.
Arrive early to ensure parking, especially at popular trailheads like Chautauqua.
Don't forget plenty of water and sunscreen; shade is limited on many trails.