National Parks near Niobrara Trails, Knox County, Nebraska Niobrara Trails Main Page HIGH QUALITY TOPO MAP, CLICK HERE More Information about Niobrara Trails, Knox County, Nebraska Nearest metro area is Yankton, South Dakota Click here for more outdoors activities near Yankton, South Dakota General Camping Information List of nearby National Parks: Missouri National River & Recreation Area, O'Neill - NE, 46.5 miles away Pipestone National Monument, Pipestone - MN, 135.7 miles away Homestead National Monument of America, Beatrice - NE, 155.2 miles away Lewis & Clark National Historic Trail, Omaha - NE, 165.2 miles away Niobrara National Scenic River, O'Neil - NE, 173.9 miles away * Distances listed are direct linear distances, actual travel distance may be different. Go to Nebraska Outdoors Index