After the Tugaloo River flows from Yonah through the lower dam , it continues to Lake Hartwell .
After the Tugaloo River flows from Yonah through the lower dam , it joins the Savannah River , which empties into the Atlantic Ocean .
After the Tugaloo River flows from Yonah through the lower dam , it continues to Lake Hartwell , and joins the Savannah River , which empties into the Atlantic Ocean .