Susenoja cave
The Susenoja Cave (Susenoja ana) is an archaeological site containing a ruins of a cave dwelling which was inhabited in the early Jōmon period (10, 000 BC to 4000 BC), located in the Susecho neighborhood of the city of Toyohashi, Aichi in the Tōkai region of Japan. It was designated a National Historic Site of Japan in 1957.
Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).