蒂斯河
Darlington is located in the south of County Durham close to the River Tees, which acts as the border between Durham and Yorkshire. Both the River Tees and River Skerne pass through the town, the River Skerne later joining the River Tees which then flows east and into the North Sea. Neighbouring towns include Bishop Auckland, Eaglescliffe, Newton Aycliffe, Richmond, Stockton and Yarm.