Cheu Valley is a narrow, north-south trending valley in the Cumulus Hills, about 3 nautical miles (6 km) long, with its north end opening at the south side of McGregor Glacier, just west of the mouth of Gatlin Glacier. It was named by the Texas Tech Shackleton Glacier Expedition (1964–65) for Specialist 5th Class Daniel T.L. Cheu, member of the U.S.