O most powerful Śaunaka, they went to Mārkaṇḍeya’s hermitage, on the northern side of the Himālaya Mountains where the Puṣpabhadrā River passes by the famous peak Citrā.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
ते वै तदाश्रमं जग्मुर्हिमाद्रेः पार्श्व उत्तरे । पुष्पभद्रानदी यत्र चित्राख्या च शिला विभो
te vai tadāśramaṃ jagmurhimādreḥ pārśva uttare | puṣpabhadrānadī yatra citrākhyā ca śilā vibho
SB 12.8.17