Investigators concluded the fire was human-caused

Boulder, Colo. - Investigators spent today continuing their investigation into the cause and origin of the Gregory Fire, which was reported just after 2:15 p.m. on Wednesday, March 14, near the First Flatiron in Boulder. The City of Boulder Fire Department obtained 100% containment on the fire just after 11:30 a.m. today.

Investigators were able to determine the origin of the fire was just below Crown Rock, on the eastern slope, near the 2,000 block of Flagstaff Road. The fire was completely contained to the City of Boulder's Open Space and Mountain Parks property. Investigators were able to eliminate all natural ignition sources (e.g. lightning strikes, downed electrical lines, etc.), leading investigators to conclude the fire was human-caused.

The investigation into the specific cause of the fire is on-going. Anyone with information that may aid in the investigation can contact Det. Jason Shatek at (303) 441-3641.

Additional information from the original fire reports can be obtained from @Boulder_Fire on Twitter.

The case number associated with this investigation is 18-1442.

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/s/ Cmdr. Mike Wagner
Public Information Officer