fyi, Nuisance Door is incorrect
怒峡门
怒 = strong/powerful (among other definitions)
峡 = gorge
门 = gate (can also mean door, but obviously not in this context); i.e. opening
It's describing the entrance to a rock formation with flowing water.
having intercource on a raft is expert level stuff. consider how unstable the fotboll will be. you start rocking yours partner world, then you might take a cold swim.