- The Dumbara valley, situated in the central hills of Sri Lanka beyond the ancient Kingdom of Kandy, had its early mention in the 13th century when King Wickremabahu III moved his capital from Gampola. For 50 years he reigned the country until King Buvanekabahu V took over with his Kingdom to Kotte. It is recorded that the King of Kurunegala, prior to the 13th century, moved up to the Dumbara valley to avoid invasion by the Kings of Jaffna and to take advantage of the extremely rich soil and the