the kings island & miami valley railroad is a narrow gauge passenger railroad located at the kings island amusement park in mason, ohio. the line is a 5,282-foot (1,610 m) loop. the line has two stations: the losantiville station (the main station) also commonly referred to as "rivertown station" and a station at soak city. it is a part of the rides department, and has a thrill rating of "1 - low thrill ride". the entire journey lasts between 9 and 15 minutes, depending on station stops and number of trains in operation. the kings island & miami valley railroad is one of the oldest and consistently popular attractions at kings island. it is currently