Trail Tuesday: 3 awesome trails near Downtown Boulder

 The Trail Tuesday featured trail is in partnership with the Trail Run Project. While lingering snow and spring run-off in the high country mean that many of the trails in the mountains aren't yet in the...
Taking on a snowy Springbrook loop.

Trail Tuesday: Marshall Mesa to Spring Brook Loop

The Trail Tuesday featured trail is in partnership with the Trail Run Project. It’s spring in Colorado - that time of year when the weather in Boulder likes to taunt runners with a glimpse of summer. One...
South Mesa Trail Bridge after the Boulder Flood

South Mesa Trailhead Bridge Closure

Starting as early as Monday, March 7, the South Mesa Trailhead bridge will be closed to allow the City of Boulder’s Open Space and Mountain Parks (OSMP) Department to repair this important access point for the ...
Sanitas Valley trail run Boulder, CO

Trail Notifications for Fourth of July Weekend

The Sanitas Valley Trail has reopened July 2, after extensive repairs post the Boulder Floods in 2013. If you are looking to stay in the area and get out and explore the wildflowers and open spaces, be sure...

Sanitas Valley Trail to close for trail repairs

The Sanitas Valley Trail will be closed from mid-January through May for trail repairs. Starting as early as Tuesday, Jan. 20, the City of Boulder’s Open Space and Mountain Parks (OSMP) Department will begi...

More Muddy Trail Closures March 7

Trailheads and Trails closed because of muddy conditions effective March 7, 2014 OSMP has closed the trailheads and trails listed below because of muddy conditions effective Friday, March 7. Please see the...

Upper Big Bluestem trail reopens

The opening of the re-routed Upper Big Bluestem Trail comes about eight months after OSMP crews began work to re-align the trail away from important stream corridors that provide habitats for black bears and other species.

OSMP has reopened all of the Mesa Trail

Parts of the Mesa Trail were washed away in the recent #BoulderFlood like the section here just as the trail starts from Chautauqua The City of Boulder’s Open Space and Mountain Parks (OSMP) Department reop...

Marshall Valley Trail closure over the weekend

Marshall Valley Trail will be closed over the weekend due to a mine cave-in. The Marshall Valley Trail is closed due to a mine cave-in approximately 100 yards east of the trailhead. The Marshall Valley trai...
View from proposed IBM Trail near Coot Lake

TAB-Missing Link: IBM Connector

  S7: Coot Lake to 75th Street and Lookout Road Connector: IBM Connector .92mi View from proposed IBM Trail near Coot Lake View Trail Around Boulder - TAB in a larger map View from propose...
Early morning runner at the Eagle Trailhead

TAB-Missing Link: Eagle to 55th

  S3: Eagle To Coot Lake Connector: Eagle Trail to 55th .89mi Early morning runner on the Boulder back roads. The connector would be just to the right of the road here.   View Trail Ar...

TAB – Missing Link: Goat Connector

  S3: Centennial Trailhead to Linden Avenue Connector: Goat Trail 900 ft The trail leading from the top of the Sanitas Valley to Linden Avenue. View Trail Around Boulder - TAB in a larger map ...
Chapman Drive

Chapman Drive Trail reopens connecting Flagstaff & Boulder Canyon

Chapman Drive Trail, aka Flagstaff Summit Road, which connects Boulder Canyon Drive at the Red Lion Inn to Flagstaff Road via the north side of Flagstaff Mountain will now be open thanks to several initiatives that are now complete. In December, Boulder Open Space and Mountain Parks removed old rotting pipes from the cattle guard and reconstructed the switchback about a mile down from Realization point which had collapsed in two places. The city recently purchased the Schnell property in order to complete the plans to finish the Chapman Drive Trail and finally the bridge connecting Boulder Canyon Drive to the Red Lion Inn was rebuilt after it was destroyed two and a half years ago due to heavy floods.
South Boulder Creek Trailhead

South Boulder Creek West Trailhead closed for improvements

Beginning March 12th, 2012 theSouth Boulder Creek West Trailhead will be closed for improvements. Boulder County Open Space and Mountain Parks expects the closure to last between 3 weeks to a month. The trailhead, just west of Highway 93, 1/2 mile before Eldorado Springs Drive as you head out of town serves as a popular starting point for the South Boulder Creek and the Big Bluestem trails.