Day 9 – Riburg – Swiss Grain Fields May 17, 2015 2048 × 1536 Rhine Cycle Route – Day 9 – Niedergösgen to Muttenz Grain fields near the Swiss town of Riburg. Having left the forest for a short while, the route traverses several agricultural areas before re-entering a forest leading into Rheinfelden. Riburg, Switzerland – May 12, 2014.