An "All Rail Trail" reversible 100km adventure from Ottawa to Humboldt, KS. using the Prairie Spirit and Southwind Rail Trails. Ottawa End: Overnight parking is available at the Old Depot Museum; 135 W. Tecumseh St.; there are multiple lodging options in Ottawa. Humboldt End: Overnight Parking is available for a fee at Camp Hunter at 1st and Ohio St. Lodging is available at "Base Camp Humboldt, 1268 Hawaii Rd.