Yamaguchi 3 spots
Yamaguchi is the end of Honshu, with sea on both sides. Akiyoshido, the largest limestone cave in Japan, stays cool all year along a wide lit path, and at Shimonoseki a pedestrian tunnel under the strait lets you walk to Kyushu.
More lists for Yamaguchi
A limestone cave 100 meters beneath Akiyoshidai park, with a kilometer-long walkway inside.
Stroller OK · Elevator · checked Sep ’26
Five wooden arches cross 193 meters of the Nishiki river, below Iwakuni Castle's hill.
checked Aug ’26
A museum devoted to the white snakes of Iwakuni, a designated national natural monument.
Changing table · Family restroom · checked Aug ’26