-
Shimanto City in Kochi Prefecture is located in the southwestern part of Kochi Prefecture, and is a city rich in rich in nature, facing 1,100m-class mountains to the south and the Pacific Ocean to the east. It was created in 2005 by the merger of the former Nakamura City and Nishitosa Village, and the name of the city is derived from the Shimanto River that streams through the city. Forests cover about 91% of the city area. As of June 2025, the population is about 30,000, making it the third most populous prefecture in Kochi Prefecture. The Shimanto River has a total length of 196 km, has no Dam, and is known as "the last Clear streams in Japan", and the city's catch phrase is "A city that lives with the river".