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 ...

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 ...

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 ...

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

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 ...

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 ...