Duncan Canal Portage Be the first to review Duncan Canal Portage            Map Map Campgrounds Nearby List of Nearby Campgrounds Weather Local weather forecast These outdoors activities are available near Duncan Canal Portage.   Camp Grounds Near Duncan Canal Portage: Twin Creek RV Park, Petersburg , 9 miles away Le Conte RV Park, Petersburg , 11 miles away Blind Island Campground, Wrangell-Petersburg County , 17 miles away