As of Friday, August 9, Larimer County's Alexander Mountain Fire remains at 91 percent containment with 9,668 acres burned. The Northern Colorado wildfire started on Monday, July 29, between 10:30 a.m. and 11:15 a.m.

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The Alexander Mountain Fire is one of the largest Colorado wildfires with nearly 10,000 acres burned. Hundreds of residents fled their homes as the fire quickly grew in a matter of days. Over 50 homes in the burn area were either damaged or lost in the blaze.

What Caused the Alexander Mountain Fire in Colorado?

The U.S. Forest Service announced on Friday that the cause of the fire was determined to be caused by a human. The Alexander Mountain Fire is one of the many fires that have been caused by a human in Colorado over the past few weeks. The Lake Shore Fire was deemed to be caused by a human on accident, the Quarry Fire is under an arson investigation, and the Stone Canyon Fire is believed to be also caused by a human.

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How to Help in the Alexander Mountain Fire Investigation

According to KDVR, the US Forest Service is asking for help from people who may have been in the area of the Alexander Mountain Fire the day it was started and are interested in the following information:

  • Anyone who was in the area east of the peak of Alexander Mountain.
  • Anyone who may have photos of the fire between the time of 10:30 and 11:15 a.m. on July 29, 2024.
  • The whereabouts or information of anyone who spent time in the Alexander Mountain area.

Any evidence or information can be submitted to the U.S. Forest Service LEI Evidence Submission Portal linked HERE.

14 of the Biggest, Most Destructive Wildfires in Colorado Since 1980

These 14 wildfires were some of the biggest and most destructive in Colorado since 1980.

Gallery Credit: Dave Jensen

A Look at the Marshall Fire in Boulder County, Colorado

The Marshall Fire in Boulder County destroyed more than 1,000 homes.

The fire started just after 11 a.m. Dec. 30, consuming football lengths of land in seconds in suburban areas. Frontline emergency personnel said they had never seen anything like it, according to Boulder County Sheriff Joe Pelle. 

Here are some scenes from the Colorado fire.

Gallery Credit: Christine Kapperman

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