For purposes of this subpart, the HVCDA consists of all park areas within a  1/2 mile radius of the Wrangell-St. Elias National Park and Preserve Headquarters building, other than the Valdez Trail. The following activities are prohibited within the HVCDA:
    
    
        
        (a) 
         Lighting or maintaining a fire;
     
    
    
        
        (c) 
         Entering the area after visiting hours (visiting hours will be posted at the entrance gate).