One verse

Srimad Bhagavatam 5.16.8

5.16.8

उत्तरोत्तरेणेलावृतं नील: श्‍वेत: श‍ृङ्गवानिति त्रयो रम्यकहिरण्मयकुरूणां वर्षाणां मर्यादागिरय: प्रागायता उभयत: क्षारोदावधयो द्विसहस्रपृथव एकैकश: पूर्वस्मात्पूर्वस्मादुत्तर उत्तरो दशांशाधिकांशेन दैर्घ्य एव ह्रसन्ति ॥ ८ ॥

uttarottarenelavrtam nilah svetah srngavan iti trayo ramyaka-hiranmaya-kurunam varsanam maryada-girayah prag-ayata ubhayatah ksarodavadhayo dvi-sahasra-prthava ekaikasah purvasmat purvasmad uttara uttaro dasamsadhikamsena dairghya eva hrasanti.

uttara-uttarena ilavrtam
further and further north of Ilavrta-varsa
nilah
Nila
svetah
Sveta
srngavan
Srngavan
iti
thus
trayah
three mountains
ramyaka
Ramyaka
hiranmaya
Hiranmaya
kurunam
of the Kuru division
varsanam
of the varsas
maryada-girayah
the mountains marking the borders
prak-ayatah
extended on the eastern side
ubhayatah
to the east and the west
ksaroda
the ocean of salt water
avadhayah
extending to
dvi-sahasra-prthavah
which are two thousand yojanas wide
eka-ekasah
one after another
purvasmat
than the former
purvasmat
than the former
uttarah
further north
uttarah
further north
dasa-amsa-adhika-amsena
by one tenth of the former
dairghyah
in length
eva
indeed
hrasanti
become shorter

Just north of Ilavrta-varsa—and going further northward, one after another—are three mountains named Nila, Sveta and Srngavan. These mark the borders of the three varsas named Ramyaka, Hiranmaya and Kuru and separate them from one another. The width of these mountains is 2,000 yojanas (16,000 miles). Lengthwise, they extend east and west to the beaches of the ocean of salt water. Going from south to north, the length of each mountain is one tenth that of the previous mountain, but the height of them all is the same.