First confirmed about 6:30 p.m. Wednesday, the β€œChimney Fire” has grown about 650 acres in its first day.

A wildfire confirmed on the northeast side of the Santa Catalina mountains Wednesday evening has already burned approximately 650 acres, according to a Facebook post from the Coronado National Forest Service.

The β€œChimney Fire” was first confirmed about 6:30 p.m. Wednesday in a remote location east of Redington. Crews began their response in the evening with no road access, according to officials.

On Thursday morning, crews were flown in and a helicopter dipping site was set up at the Mount Lemmon Fire Station to aid efforts, the post said.

The fire was expanding to the northeast this morning and is approximately 1 mile from Arizona state land, officials said.

Single-engine air tankers have begun retardant-drops on the wildfire while ground crews began establishing and reinforcing a fire line around the perimeter.

There are no evacuation orders in place in the surrounding areas, officials said. The cause of this wildfire is still under investigation.

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