Yannyanniichuan
Yannyanniichuan is one of the Jusenkyou Springs, and more specifically, one of the four commonly referred to as the 'Elemental Girls'. This group of four includes Yuanquannyannichuan, Shunyannichuan, and Kongqinyanniichuan as well. Yannyanniichuan is the Spring of Drowned Salamander-girl, which means that it grants those that bathe in it the physical appearance of a fire elemental, referred to as a Salamander.
Folklore
Rumors associate this spring with the goddess Kaika.