Metropolitan and Micropolitan areas near Three Rivers Trail, Humboldt County, Iowa Three Rivers Trail Main Page HIGH QUALITY TOPO MAP, CLICK HERE More Information about Three Rivers Trail, Humboldt County, Iowa Nearest metro area is Fort Dodge, Iowa Click here for more outdoors activities near Fort Dodge, Iowa General Camping Information List of nearby metros and micros: Fort Dodge, Iowa, 14.5 miles away Boone, Iowa, 39.5 miles away Fairmont, Minnesota, 55.3 miles away Ames, Iowa, 59.7 miles away Storm Lake, Iowa, 66.5 miles away Des Moines, Iowa, 66.7 miles away Mason City, Iowa, 69.8 miles away Spencer, Iowa, 69.8 miles away Spirit Lake, Iowa, 72.5 miles away Mankato-North Mankato, Minnesota, 73.6 miles away * Distances listed are direct linear distances, actual travel distance may be different. Go to Iowa Outdoors Index