CC Madhya 9.317

nāsike tryambaka dekhi’ gelā brahmagiri
kuśāvarte āilā yāhāṅ janmilā godāvarī
Word for word: 
nāsike — at the holy place Nāsika; tryambaka — a deity of Lord Śiva; dekhi’ — after seeing; gelā — went; brahmagiri — to the place known as Brahmagiri; kuśāvarte āilā — then He came to the holy place known as Kuśāvarta; yāhāṅ — where; janmilā — took birth; godāvarī — the river Godāvarī.
Translation: 
Śrī Caitanya Mahāprabhu then visited Nāsika, where He saw the deity of Tryambaka [Lord Śiva]. He then went to Brahmagiri and then to Kuśāvarta, the source of the river Godāvarī.
Purport: 

Kuśāvarta is located in the western ghāṭa, at Sahyādri. It is near Nāsika, a holy place, but according to some it was situated in the valley of Vindhya.