The best so far! Better if using hiking sandals, waterproof bag, get ready for wet, stay strong, and bring some drink could be useful.
Be careful with your belongings, it could be drown into the river. Follow the instructions from the leader or instructor, they were so kind, great photographer.
Come early in the morning, and feel the adventure about 2 and a half hours. Bring your extra clothes, they provide the visitors with locker, bathroom, soap and towel too.