A goddess of the underworld, guardian of the roots of the stones which supports the heavens. Yak Lepeh is one of the grandmothers who can bring water to the surface of the earth. She is the wife of Tak Tinjeg.
- Evans, Ivor H. N. (1923). Studies in Religion, Folklore, and Custom in British North Borneo and the Malay Peninsula. Cambridge: Cambridge University Press, pp. 148-149.
- Evans, Ivor H. N. (1937). The Negritos of Malaya. Cambridge: Cambridge University Press, pp. 142-143, 173.