The invention provides an improved water flume ride having one or more slide effects for presenting multiple random flume paths to riders. In one embodiment, a water flume comprises a primary flume portion, an uphill embankment culminating in a crest, and two or more adjoining secondary flume portions....http://www.google.com/patents/US6743108?utm_source=gb-gplus-sharePatent US6743108 - Random path flume ride
