The Kelani River takes shape as a voice in Kitulgala: it huffs and coughs through boulders, tests your grip at every bend and—if you listen—laughs as the raft drops into a chute. At the adventure center by the old clock tower, guides fit helmets and lifejackets with practiced ease, their briefings a calm counterpoint to the river’s impatience. Within minutes you’re in a self-bailing raft, the jungle leaning close, the mountains hemming the sky; the first class II–III rollers arrive like punctuation marks, each one nudging the group forward.