Enjoy all the thrills and spills of the rapids on this half day simme river white water rafting experience from interlaken travel out of interlaken to the banks of the simme river a stretch of class ii and iii rapids ideal for beginners and families alike hop aboard your raft and paddle out into the rolling waves with your guide navigate swirling eddies and choppy chutes and enjoy beautiful views of the swiss countryside from the waves group sizes are limited to eight people per boat