From the top to the bottom of Fyrisån, 450 brave rafters will ride their raft down on their hand-made styrofoam rafts! The River Rafting started when two students, Anders Ahnesjö and Carl-Johan Hansson, made a bet whether or not they could make it down the Fyrisån during Walpuris 1975. Today the River Rafting is one of the biggest and most exciting events that is organised by students in Sweden and is an attractive meeting point between corporations, students and the public. Every year on Valborg morning, on the last of April at 10 AM, tens of thousands of people gather to the edges of the Fyris river to see amazingly colorful rafts challenge cascades and waterfalls of the Fyris river. The rafts have to endure the perilous journey from Eddaspången all the way down to Islandsfallet.