Mount Karasuba is a mountain of modest height on the border of the cities Minamibōsō and Kamogawa in Chiba Prefecture, Japan, reaching an elevation of 266.6 m (875 ft). It is one of the mountains of the Mineoka Mountain District of the Bōsō Hill Range. The kanji for Mount Karasuba, 烏 and 場, mean 'crow' and 'place' respectively. The mountain became a popular hiking destination after the construction of a hiking trail in 1975. The trail features three viewing platforms that offer views of the Pacific Ocean, surrounding hills, and nearby cities.