Śrāddha-kalpa: Amarakantaka–Tīrtha-Māhātmya and Akṣaya Pitṛ-Tarpaṇa
उपह्वरनितंबेषु तथा प्रस्रवणेषु च / पुलिनेष्वापगानां च तथैव प्रभवेषु च
upahvaranitaṃbeṣu tathā prasravaṇeṣu ca / pulineṣvāpagānāṃ ca tathaiva prabhaveṣu ca
On the slopes of ravines, and likewise at springs; on the sandbanks of rivers, and also at their places of origin.