Twice yearly around the equinoxes, morning rays of sunlight flow through Kameiwa Cave and reflect on the water in front of it to form an image of a gleaming heart.
This magical event occurs at Noumizo Waterfall, located within Shimizu Keiryu Park in Kimitsu City. This area is not all that far from Tokyo, being located on Chiba Prefecture’s rustic Boso Peninsula—one of our Top 10 Japan Travel Destinations for 2019. Featured on National Geographic, Kameiwa Cave (which means Turtle Rock Cave), formerly a relatively unknown site, gained notoriety for hosting one of the most whimsical sights in all of Japan.