Whitewater rivers near Smoky Hill Trail, Lincoln County, Colorado Smoky Hill Trail Main Page List of nearby whitewater: Purgatoire River, Colorado, US 350 to Highway 109, 93.6 miles away South Platte River, Colorado, Brighton City Park to Fort Lupton, 125.7 miles away South Platte River, Colorado, Confluence of Cherry Creek and South Platte, 131.5 miles away South Platte River, Colorado, Confluence to Strontia Springs Reservoir, 138.2 miles away * Distances listed are direct linear distances, actual travel distance may be different. Go to Colorado Outdoors Index