This incredible experience for two gives you the chance to discover the unique adrenaline rush of white water rafting at an official london 2012 olympics venue set in attractive hertfordshire just 40 minutes from central london this world class venue played host to the olympic white water canoe events and now you can take on the rapids with this rafting experience your heart will race as you take a white knuckle ride youll never forget tearing through the water in an inflatable raft with