The Derby Fire, located north of Dotsero in White River National Forest grew to 839 acres Tuesday evening, according to the Watch Duty app. The measurement is more than three times the 245 acre estimation Tuesday evening. The growth has prompted evacuation orders in the area of Sweetwater Lake and a complete closure of Colorado River Road.

The Derby Fire burning in the northwestern corner of Eagle County is estimated at approximately 100 acres and growing, according to a Tuesday evening update from the U.S. Forest Service. With temperatures on Tuesday

The Derby Fire was ignited by lightning on a “steep cliff above ... The closure starts north of Sweetwater Lake, follows the forest boundary north and east to the intersection of the Derby Loop Road (County Road 39), following Middle Derby Creek ...

The Derby Fire burning in rugged terrain in the northwest corner of Eagle County is estimated at 2,625 acres and is 0% contained as of 9 a.m. Thursday. While acreage has nearly doubled since

The U.S. Forest Service on Tuesday issued the following press release on the Derby Fire in Eagle County: MINTURN, Colo. (Aug. 19, 2025) – The White River National Forest has issued a public closure for firefighter and public safety in Eagle and Garfield counties in the vicinity of the Derby Fire.