LINVILLE, N.C. (WNCN) — Officials in the North Carolina mountains say a “large” wildfire is underway on Christmas Eve at Grandfather Mountain.

The fire was reported around 9:40 a.m. Friday in a remote area of Avery County off the Blue Ridge Parkway on the east side of Grandfather Mountain, according to the Linville Fire Department.

The scene of the fire is difficult to access with vehicles. The size of the wildfire, which is in the Pisgah National Forest, was not known late Friday afternoon.

Firefighters are worried about containing the wildfire over the Christmas weekend because of weather conditions.

“Unfortunately, conditions will be very favorable for fires through the weekend due to gusty winds and dry weather,” the Linville Fire Department said in a short statement.

Avery County 911 reported that planes and helicopters are being used to drop water on the flames.

Aircraft are “pulling water out of large ponds and lakes to help with putting out a large brush fire in the Pisgah National Forest. There will also could be a lot of smoke in the county due to this fire,” the agency said.

The fire, which is called the Lost Cove fire, is at least two acres large and is not contained, according to the U.S. Forest Service. The fire began in the Lost Cove, but has since crossed a ridge, Avery County officials said.

Other fire departments assisting include Banner Elk, Crossnore, Green Valley, Newland and the U.S. Forest Service.