MahÄvÄlukagaá¹…gÄ
MahÄgaá¹…gÄ, MahÄvÄlukanadÄ«. The chief river of Sri Lanka, the modern MahÄveliganga. Viewed from the city of AnurÄdhapura, the right bank was called PÄragaá¹…gÄ and the left Oragaá¹…gÄ. The river was of great strategic importance, and is mentioned in various accounts of campaigns between opposing armies. It was always regarded as the boundary between North Sri Lanka, with AnurÄdhapura (and later, Pulatthipura) as the centre, and the South east province of Rohaṇa.
Various fords on this river are mentioned in the books, the chief among these being Kacchakatiá¹á¹ha, Ganthambatiá¹á¹ha, MahÄrukkhatiá¹á¹ha, MÄlÄgÄmatiá¹á¹ha, YakkhasÅ«karatiá¹á¹ha, SarogÄmatiá¹á¹ha, Sahassatiá¹á¹ha and Suvaṇṇaá¹á¹hambhatiá¹á¹ha. There were evidently other fords at the bends of the river with no particular names (e.g., Cv.lxxii.285).
The kings of Sri Lanka constructed various canals branching off from the river to help in their irrigation schemes. One such was the Pabbatanta Canal, built by MahÄsena (Mhv.xxxvii.50); while the AciravatÄ«, the GomatÄ«, and the MalÄpaharani were constructed by ParakkamabÄhu I. (Cv.lxxix.51f). DhÄtusena irrigated the surrounding fields by means of damming up the river (Cv.xxxviii.12), as did Sena II. by the construction of the Manimekhala dam (Cv.li.72). In the time of ParakkamabÄhu II and, later, of VijayabÄhu IV, great ordination ceremonies were held on the river at Sahassatittha (Cv.lxxxvii.72; lxxxix.70f), and again at Ganthambatittha in the time of VimaladhammasÅ«riya I. Cv.xciv.17; also VimaladhammasÅ«riya II. (Cv.xcvii.12).
The river rises in SamantakÅ«ta (Cv.c.82). The MahÄnÄgavana of the Yakkhas, where, later, was erected the MahiyangathÅ«pa, was on the right bank of the river. Cv.lxxxix.70; Mhv.Trs., p.3.
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