River Adventure on the Rio de Serra

Sailing slowly south of Salvador; short day hops visiting islands and going up rivers, we went aground, twice in one day. Shortly after pulling anchor in a narrow creek between the mangrove covered islands one morning, we hit a sandbank and went aground. The tide fell quickly and we resigned ourselves to the six hours of keeling over. Deja vu. We were on our way up the river to see a waterfall. Cachoeira de Tremembe. Since Salvador there has been very little change in the low landscape of the coast, so what can this waterfall be? Early afternoon we were afloat again and set off upriver. At sunset we got to the small tributary of Tremembe River. The waterfall was just 800m up the river. We will take the kayak there in the morning. Motoring to set the anchor, the engine exhaust pipe broke. A job for the next day. During the night, John jumped up and looked out - I think we have a problem. ...