A fire boat procession is a localized rainfall, called "heua." held in the range covered by the aims of the footprint to worship the Lord Buddha at the river Nam Tham Nai Harn by history is as follows: that is to say, the Buddha to the river Nam Tham Harn t which is the Habitat of the serpent. The Buddha has shown the homily and the trove of Naga favorite serpent has asked God stamped cycle at the Nam River TAM Harn. Subsequently, those bloody angels. The human as well as animal derived footprint worship. In addition, power-boat Festival, also held to blame so River have left sewage and remove fire burned the suffering, to the water.