The river runs for the Akwapim mountains along the Ghana-Togo border to the Volta Lake (Figure 1). The general terrain in the northern and northwestern part of Ghana outside the Volta Basin consists of a dissected plateau, which averages between 150 and 300 meters in elevation and, in some places, is even higher. In part the Dam was more beneficial than anticipated because of the unexpected increase in petroleum prices in the 1970's. The answers to the above questions can be down to the following reasons. Rising south of the Kwahu Plateau and flowing southward, the Pra enters the Gulf of Archeological finds indicate, however, that the region was once more heavily populated.