The Mianyue Line of the Forest Railway is located inside the Alishan National Forest Recreation Area. It was completed in 1915 and is about 14 km in length from Alishan old station to Songshan station. There are two stations along the way, mainly Tashan and Mianyue. In 1934, the Mianyue Line was dismantled because the logging operation was terminated. In the early post-war period, due to the need for afforestation along the Alishan Forest Railway, the National Government restored the railway up to the Shihou section. However in recent years, the Mianyue Railway has suffered severe damage from the Jiji earthquake and Typhoon Morakot, and is until today still impossible to pass.