Onjuku Onsen Chiba

Onjuku, a small coastal town on the southern Boso Peninsula in Chiba Prefecture, is celebrated for its spectacular Pacific waves that draw surfers from across the greater Tokyo region to one of Japan's most accessible and consistent surf breaks on the outer Pacific coast of Chiba. Onjuku Onsen Chiba taps chloride-rich coastal thermal waters from the marine geology of the outer Boso Pacific coast, offering warm mineral baths that soothe sun-weathered surfers and coastal walkers after long days on the rugged Pacific shoreline south of Tokyo. The Onjuku Beach surf break, the tuna festival celebrating the town's deep-sea fishing heritage, and the coastal trail along the Kii cliffs and sea caves of the Boso outer coast make this a uniquely energetic and atmospheric coastal thermal destination in southern Chiba.