Lighting or maintaining a fire is prohibited in the FDA except—
    
    
        
        (a) 
         In established receptacles within designated campgrounds;
     
    
        
        (b) 
         From October 1 through April 14 in that portion of the FDA where the park road is closed to motor vehicle use; and
     
    
        
        (c) 
         Under conditions that may be established by the Superintendent.