UPDATE 4:30 AM

The Pima County Sheriff’s Department has provided an update on the fire in the Catalina Mountains.

They say it is located two miles north of the Craycroft and Placita Alta Reposa area.

The Finger Rock and Ventana Canyon trail heads are closed at this time.

No evacuations are expected.

Southern Arizonans waking up Tuesday may notice a crescent-shaped fire burning along the Catalina Mountains, near the face of Mt. Lemmon.

KGUN9 has received pictures and seen the fire grow since 3 A.M. Jun. 20. The Good Morning Tucson team has reached out to the Coronado National Forest and the Arizona Department of Forestry and Fire Management to confirm the fire’s size and start-time.

We will update this article and provide real-time updates on air. Three years ago this month, the Bighorn Fire was sparked by a lightning strike. That blaze grew to 119,000 acres and took over six months to contain.