is a mountain of modest height on the border of the cities Minamibà Âsà  and Kamogawa in Chiba Prefecture, Japan, reaching an elevation of . It is one of the mountains of the Mineoka Mountain District of the Bà Âsà  Hill Range. The kanji for Mount Karasuba, ç and å ´, 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.
Mount Karasuba is covered by a laurisilva forest, a type of laurel forest found in subtropical areas. It is home to many examples of the Japanese stone oak and the sudajii castanopsis, an evergreen beech tree. The area around the Odawara district of Minamibà Âsà  is a base for floriculture, and there are many flower fields at the base of Mount Karasuba, even in winter.
The hiking trail that leads to Mount Karasuba is accessible from Wadaura Station in Minamibà Âsà  via the JR East Uchibà  Line, although the hike to the summit can take several hours.