Sandy Creek is a tributary of the Tuscarawas River, 41.3 miles (66.5 km) long, in northeastern Ohio. Via the Tuscarawas, Muskingum and Ohio Rivers, it is part of the watershed of the Mississippi River, draining an area of 503 square miles (1,303 km²).

The Tuscarawas River is a principal tributary of the Muskingum River, 129.9 miles (209 km) long, in northeastern Ohio in the United States. Via the Muskingum and Ohio rivers, it is part of the watershed of the Mississippi River, draining an area of 2,590 square miles (6,700 km2) on glaciated and unglaciated portions of the Allegheny Plateau.