Matsyapurana 22.21

22.21

pitṝṇāṃ vallabhā hy etāḥ śrāddhe koṭiguṇā matāḥ
jambūmārgaṃ mahāpuṇyaṃ yatra mārgo hi lakṣyate //

Jambûmârga whence the path of the Piṭris is visible is a Piṭritîrtha unto this day. The piṭritîrtha Nilakuṇḍa, Rudrasarovara, Mânsarovara, Mandâkinî, Achchhodâ, Vipâśa, Sarasvatî are also sacred tîrthas.—21-23.

The river Śarayû venerated by all the Devas is holy and so is the sacred Irâwatî, the rivers Yamunâ, Devikâ, Kâlî, Chandrabhâgâ, Dṛiṣadvatî, Veṇumatî, Vetravatî are sacred and dear to the Piṭris, and śrâddha performed on their banks confers great benefits on the worshipper.—19-20.