Bible Encyclopedias
Douro

The Nuttall Encyclopedia

A river, and the largest, of the Spanish Peninsula, which rises in the Cantabrian Mountains; forms for 40 m. the northern boundary of Portugal, and after a course of 500 m. falls into the Atlantic at Oporto; is navigable only where it traverses Portugal.

Bibliography Information
Wood, James, ed. Entry for 'Douro'. The Nuttall Encyclopedia. https://www.studylight.org/​encyclopedias/​eng/​nut/​d/douro.html. Frederick Warne & Co Ltd. London. 1900.