Opponents of Denver Water's Gross Dam expansion in Boulder County ask federal judge to halt construction, warning of ...

Photo: Gross Dam and Reservoir, Colorado. Last week, Elon Musk’s “Department of Government Efficiency” (DOGE) highlighted the ...

Colorado National Guard units were activated ... and ammonia-based ingredients into a water canal leading to Boulder Reservoir on Tuesday, city officials said. They added that the reservoir ...

The Colorado State Patrol provided an update on the crash at about 5:30 p.m. The agency said the two-vehicle crash occurred at about 3:32 p.m. when a Jeep "disregarded a traffic control device ...

OURAY COUNTY, Colo. — Colorado's Million Dollar Highway was closed Wednesday morning after a boulder fell onto the road. U.S. 550 Red Mountain Pass was closed between Silverton and Ouray at 2:30 ...

Mountain bikers are cheering the recent opening of the Cobalt Trail, a 0.9-mile single-track trail just north of Boulder, to cyclists.

From steamy summer days at Boulder Reservoir to panoramic views at Steamboat Lake, Colorado's beaches are a true paradise. How do people get their beach fix in Colorado? The Centennial State is ...

Most people seem to love the idea of a Boulder to Erie cycling and commuting trail, now Boulder County needs to find money.

The City of Boulder operates three recreation centers, a reservoir (lake), and two outdoor pools (seasonal). Check out the seasonal recreation guide, where you can find an array of classes and ...