Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Kannāvadhamāna
Kannāvadhamāna:A mountain in Ceylon,the residence of the Nāga-king,father of Cūlodara and brother-in-law of Mahodara.Mhv.i.49; but see my edition of the Mahāvamsa-Tīkā,where I take the name of the mountain to be Vaddhamāna.