Oct 9, 2012 8:23 PM by Kirsten Bennett
The Fern Lake Fire burning in Rocky Mountain National Park, just southwest of Estes Park, has grown to 300 acres.
The fire was reported at 2 p.m. Tuesday and is growing to the north toward Ute Trail, according to park officials.
The fire is in a heavily forested area. No structures are threatened.
The cause of the fire is unknown.