Bōsō Hill Range
 The Bōsō Hill Range (房総丘陵 Bōsō-kyūryō) is a mountain range on the Bōsō Peninsula of Chiba Prefecture Japan. The highest point in the Bōsō Mountain Range is at Mount Atago with an altitude of 408.2 m (1339 ft). The hill range runs from roughly in a line from Mobara or Ōamishirasato to Kisarazu but is not formally defined. It is an important part of the Minami Bōsō Quasi-National Park.