the best river surfers and was the first location that created a true surfing community around an inland river wave. The scene has around 1,000 active surfers, while 10,000 in Munich will have tried it at some point. Austria On Austria's river Mur in Graz (Styria), river surfing is a regular on two waves built for surfing in 2001 and rebuilt in 2004 by KanuClub Graz. Near Salzburg in the Alm Canal there is a custom built surf wave, the Almwelle. Norway Norway has several river waves, amongst the most famous are: Bulken Wave (Bulkenbølgen) at Voss. Sluppen Wave (Sluppenbølgen) in Trondheim. Sarp Wave (Sarpebølgen) in Sarpsborg. Rand Wave (Randsbølgen) in Hønefoss. Several artificial river waves are either under planning or have been considered: In Oslo a potential, artificial river wave has been planned in their main city river Akerselva. In Stavanger, an artificial river wave for surfboards and kayaks was planned in Figgjoelva, but was opposed by the Norwegian Water Resources and Energy Directorate and the Stavanger and Rogaland Hunting and Fishing Association. In Evje a river wave project called the Evje Wave (Evjebølgen) is being planned at the river mouth of Otra, the largest river in the Southern Norway region. The Otra river is already popular for rafting and other extreme sports. Concept drawings have been published, and the project is advertised as having a low environmental impact. Switzerland The Limmat in Zürich does not have any standing waves but is fast-flowing. Local surfers have developed a pulley system known as upstream surfing which allows surfers to surf the river. North America Canada The Habitat 67 standing wave in the Lachine Rapids in Montreal, named for its location adjacent to the Habitat 67 housing complex, has become a popular destination for river surfing. Corran Addison, an Olympic kayaker and three-time world freestyle kayak champion, was the first to surf the Habitat wave in 2002. His river-surfing school, Imagine Surfboards, has taught 3,500 students since 2005. A second Montreal river-surfing school, KSF, has hosted 1,500 students a year since 2003. From fewer than 10 original surfers, it is estimated that the current of participants numbers around 500. The Ottawa River in Ottawa has long been a river surfing destination for both locals and travellers. Local surf shops specialize in river surfing gear and boards. Average wave height varies between one and two meters. The waves are most accessible in