Matsyapurana 113.40

113.40

yojanānāṃ sahasrāṇi caturāśītisūcchritaḥ
praviṣṭaḥ ṣoḍaśādhastād aṣṭāviṃśativistṛtaḥ //

The Mount Meru shines out like the rising sun or the blaze of fire without smoke, in the heart of those Mountains, like a divine king.—39. That Sumêru is 84,000 yojanas high, 16,000 yojanas deep under-ground and 28,000 yojanas broad.—40.