 Here the Kromme Rijn (the original main bed of the Rhine river) and the Vaartse Rijn (a medieval canal reconnecting Utrecht to the newer main stream of the Rhine, the Lek) arrive to meet the original moat of the fortified town, and the Oudegracht goes from there into the center of town.Parts of the Oudegracht follow the original flow of the river Rhine, but there is some disagreement on what parts.The northern part is most likely an early canal (app.