Explore Maines Most Scenic Overlooks and Trails Aroostook County Aroostook Valley TrailPresque Isle and New Sweden, ME A 28.8-mile trail that is part of the Interconnected Trail System, and allows for ATVs, horseback riding, mountain biking, snowmobiling, walking, and cross country skiing. Eagle Lake Tramway Allagash River Waterway State Park Located along the Allagash River,