Take on the mighty ltschine river rapids on this 4 hour white water rafting experience from interlaken following a comprehensive safety briefing from a professional guide battle the exhilarating class iii iv rapids down the mountains and through interlaken valley then allow your heart rate to return to normal as you bob along the calm alpine waters to the lake of brienz drink in the breathtaking swiss scenery and enjoy a quick swim before returning to base camp for a coffee or beer number