Nīla

One of the eight Boundary Mountain ranges in Jambūdvīpa, situated to the North of Mount Meru and separating Bhadrāśva, Ketumāla and Ilāvṛta varṣas from Ramyaka varṣa.

Height
10,000 yojanas

Width
2,000 yojanas

Length
Not stated precisely in Bhāgavatam, but explained that they extend from one side to the Jambūdvīpa island to another, reaching the ocean, and that each next range towards the North or South from Mount Meru is one tenth shorter than the previous one. [Bhāg 5.16.8]