Shikkotsu Forest

is one of the big three unexplored sage regions, a legendary place that is equally famous as the other two, Mount Myōboku and Ryūchi Cave. It is the home of the slug Katsuyu, parts of which are summoned by Tsunade and one of her disciples, Sakura Haruno.

Inhabitants

 * Katsuyu

Known Summoners

 * Tsunade
 * Sakura Haruno