Complex sentence: The North Country National Scenic Trail (NCT), which stretches approximately from Crown Point in eastern New York to Lake Sakakawea State Park in central North Dakota in the United States, is the longest of the eleven National Scenic Trails authorized by Congress.
Split into simpler sentences: The North Country National Scenic Trail (NCT) stretches approximately from Crown Point in eastern New York to Lake Sakakawea State Park in central North Dakota in the United States. It is the longest of the eleven National Scenic Trails authorized by Congress.