Stimulation, fun, suitable for young friends. People who can raft take a shorter time, usually from 90 minutes to more than 2 hours. But the water is dirty. I suggest wearing the cold-proof clothes provided by the service area. I think it's cooler in the canyon. For people over 16 years old to play, booking online must be two hours in advance. Otherwise, the ticket can only be collected in 2 hours, only from 1:00 to 3:30 p.m.