It rains, but it rarely snows; however, it occasionally receives ash from volcanoes, most notably: Shinmoedake and Sakurajima.

[2] Per Japanese census data, the population of Yūsui is as shown below:[3] The area of Soo was part of ancient Ōsumi Province.

Soo has a mayor-council form of government with a directly elected mayor and a unicameral city council of 20 members.

In terms of national politics, the city is part of the Kagoshima 4th district of the lower house of the Diet of Japan.

JR Kyushu - Nippō Main Line There are many points of interest and Festivals that can be visited in Soo City.

In Iwagawa there is the Legend of Yagorou, which is represented by a very tall statue on a hill near the bypass on the way to Kanoya from Miyakonojo.

It is in Takarabe, and it hosts a waterfall called Kirihara Falls (桐原の滝 "Kirihara-no-taki") that is lit up at night.

It was carved hundreds of years ago and is reached by climbing down many stairs to a cliff face above a river.

Mizo no Kuchi Douketsu (溝ノ口洞穴, Mizo-no-kuchi-douketsu) is located in Takarabe and is a tunnel made long ago through erosion.

Every year on the Sunday closest to the Buddha's birthday (April 8) the Mizo no Kuchi Iwaana Festival (溝ノ口岩穴祭, Mizo-no-kuchi-iwaana-matsuri) is held at the natural tunnel.

[7] Originally, a student from the local junior high school was selected three months prior to the festival.