We really have to start making tracks for Lokeren. Now it gets complicated There are 2 rivers to negotiate with conflicting tides. If we don't get it right, we will be fighting the current, using loads of diesel.

We stop on the River Rupel at Boom to wait for the tide. This floating pontoon has the biggest risers we've ever seen. We try not to worry about what this river may be capable of and settle down for the night when.....