Raft or Kayak on one of Bhutan’s six great rivers. The Paru Chu, and Mo Chu Rivers in western Bhutan provide grades III-IV, while central Bhutan’s Mangde Chu River, and Eastern Bhutan’s Gamre Chu, Dangme Chu and Kuri Chu can summon grades IV-V. The best times for getting on the white-water are between March and April and again between November to December.