Mahabharata 13.26.32

13.26.32

naimiṣe svargatīrthe ca upaspṛśya jitendriyaḥ |
phalaṃ puruṣamedhasya labhenmāsaṃ kṛtodakaḥ || 32 ||

By repairing to the retreat that is known by the name of Samya and residing there for a fortnight and bathing in the sacred water that exists there, one acquires the power of disappearing at will (and enjoy the happiness that has been ordained for the Gandharvas). Repairing to the tirtha known by the name of Kausiki and residing there with a pure heart and abstaining from all food and drink for three days, one acquires the power of dwelling (in one's next life) in the happy region of the Gandharvas. Bathing in the delightful tirtha that goes by the name of Gandhataraka and residing there for one month, abstaining all the while from food and drink, one acquires the power of disappearing at pleasure and, then one and twenty days, of ascending to heaven. He that bathes in the lake known by the name of Matanga is sure to attain to success in one night. He that bathes in Analamva or in eternal Andhaka, or in Naimisha, or the tirtha called Swarga, and offers oblations of water to the Pitris, subduing his senses the while, acquires the Merit of a human sacrifice. Bathing in Ganga hrada and the tirtha known by the name of Utpalavana and daily offering oblations of water there for a full month to the Pitris, one acquires the merit of a Horse-sacrifice.