📍BLUE CAVE (Sappa Boat Tour) in Iwate Ken 💙 #beautifuljapan #japan #japantravel #visitjapan #iwate

Embark on a guided tour of Hachinohe Cave, known as the "Blue Grotto of the Sanriku Coast." The entrance to the cave is half submerged, so you can only enter by a small sappa boat. The actual cave is about 8 meters deep and comes to a dead end, but the clear seawater shines a beautiful blue in the sunlight that filters through the entrance, creating a mesmerizing effect.