Śrāddha-kalpa: Amarakantaka–Tīrtha-Māhātmya and Akṣaya Pitṛ-Tarpaṇa
उत्तरं मानसं गत्वासिद्धिं प्राप्नोत्यनुत्तमाम् / स्नात्वा तस्मिन्सरश्रेष्ठे दृश्यते महादद्भुतम्
uttaraṃ mānasaṃ gatvāsiddhiṃ prāpnotyanuttamām / snātvā tasminsaraśreṣṭhe dṛśyate mahādadbhutam
Going to northern Mānasa, one attains the unsurpassed siddhi. Bathing in that most excellent lake, a great wonder is beheld.