A locality near Ambatthala. While seated here, Devānampiyatissa heard the novice Sumatra announce the time for the preaching of the Dhamma, to be heard all over Ceylon (Mhv.xiv.36). Geiger (Mhv. Trs. 94, n.1) identifies it with the modern Nāgapokupa (but see Nāgasondi).
According to the Dipavamsa (Dpv.xiv. 58; also Mhv.xvi.6) (which has a v.l. Nagaracatukka) it was a pond at the foot of the Missakapabbata and was made out of rock.