The Konoha Hot Springs is the public bath of Konohagakure, divided down the middle between genders. Shinobi can use the baths as a training ground for basic chakra training. Using the hot water as a form of motivation, the trainee is more focused in using their chakra to support themselves on the water.
Naruto: The First Chapters [Open & Under Construction]
Set in alternate timeline, after the third great ninja war. The Land of Fire unites the land, abolishing all shinobi in other countries.