Day 4 – Bregenz – A Sleepy Harbour in Bregenz January 22, 2015 2048 × 1536 Rhine Cycle Route – Day 4 – Buchs to Lindau One of the many small harbours that dot Lake Constance’s shoreline within Bregenz. I gather that it may have still been too early in the year for the main boating season as we didn’t see too many coming or going. May 7, 2014 – Bregenz, Austria.