Atsumi Peninsula (渥美半島, Atsumi Hantō) is a peninsula in southern Aichi Prefecture, central Honshū, Japan. It has an approximate length of 50 kilometres (31 mi) east-west, separating Mikawa Bay (to the north) from the Philippine Sea to the south, with Ise Bay lying to its west. It faces the Chita Peninsula, to the northwest, across the entrance to Mikawa Bay. It has a width ranging from 5 kilometres (3.1 mi) to 8 kilometres (5.0 mi), and its highest point is 328 metres (1,076 ft). Its total area is approximately 200 square kilometers.