Bhagavatapurana 5.20.26

5.20.26

_*
eteṣāṃ varṣa-maryādā-girayo nadyaś ca sapta saptaiva īśāna uruśṛṅgo balabhadraḥ śatakesaraḥ sahasrasroto devapālo mahānasa iti anaghāyurdā ubhayaspṛṣṭir aparājitā pañcapadī sahasrasrutir nijadhṛtir iti //

26. Of these continents the rivers as well as the boundary moun-

tains are only seven. The mountains are Isana, Urusringa, Balabhadra, Satakesara, Sahasrasrota, Devapala, Mahanasa; the rivers are Anagha, Ayurtha, Ubhayasprishti, Aparajita, Panchapadi, Sahasrasruti and Nijadhriti.