By Danielle Chavira

PAGOSA SPRINGS, Colo. (CBS4) – A new wildfire in Colorado is prompting evacuations for the Lost Valley of the San Juans in Mineral County. The Plumtaw Fire is burning about 5 miles northwest of the Pagosa Springs Airport.

As of 9 p.m., the U.S. Forest Service says the fire is about 600 acres. It does not appear to be contained. Five large air tankers and helicopters are working on helping extinguish the fire. Firefighters are also on the ground.

(credit: U.S. Forest Service San Juan Mountains)

The fire started at around 1 p.m., officials say, however it is unclear how it started. For evacuation information, contact the Emergency Operations Call Center at 970-422-7084.