In the Middle Ages, the continuation of River Waal after its confluence with River Meuse, now known as Boven Merwede and Beneden Merwede, was also called Waal.
The continuation of River Waal after its confluence with River Meuse was also called Waal. This was in the Middle Ages. The continuation of River Waal after its confluence with River Meuse was now known as Boven Merwede. The continuation of River Waal after its confluence with River Meuse was now known as Beneden Merwede.