Isocline Hill (83°31′S157°36′E) is a hill in the southern part of the Augen Bluffs, in the Miller Range, Antarctica. The hill rises 100 to 200 metres (330 to 660 ft) above the west side of Marsh Glacier and is connected to the Augen Bluffs by a col 10 to 20 metres (33 to 66 ft) lower than the height of the hill.