Explore valley forge national historic park on this private 4 or 6 hour driving tour from philadelphia this extraordinary park isthe site of the 1777 78 winter encampment of the continental army in the revolutionary war a private guide will provide a pickup to begin the 30 minute trip to king of prussiathe tour includes a drive around the park see regimental monuments and recreations of the huts used by the troops who camped here and enjoy the opportunity to get out explore and take ph