The high plateau of Castilla
In the 1980′s, nine dams were built to bring it under control and locks were installed to make river traffic possible up and down the new waterway. The Portuguese section of the Douro River used to be famous for its tumultuous waters rushing down from the high plateau of Castilla y Leon in neighboring Spain. Cruise the meandering Douro River through the picturesque vineyards of northern Portugal on an elegant eastern mediterranean cruise 80-passenger river boat. Cooking and wine appreciation classes. Group theme charters and family tours. Cruises on luxury barge hotels or elegant river boats; enjoy French wines, gourmet cuisine and private tours. All-inclusive river cruising and canal barging in France, Portugal, and Holland.