The ferry from Wakkanai deposits you onto Rishiri Island, where Oniwaki Beach curves along the western shore in a wide crescent of smooth, dark pebbles. Mount Rishiri-Fuji rises 1,721 meters almost directly from the waterline, its symmetrical cone dominating every view. The stones beneath your feet—polished by centuries of wave action—range from charcoal gray to rust-tinged brown, remnants of the volcano that shaped this entire island.
“One of Japan's northernmost beaches where an active volcano's reflection mirrors perfectly in tide pools meters from your feet.”
Credit: UnsplashPalm trees framing a sunset shore
Kombu harvesters work the shallows during summer months, spreading their leathery kelp harvest across rocks to dry. The beach lacks amenities, which keeps crowds nonexistent even during Japan's Golden Week. Cold currents from the north ensure water temperatures rarely climb above 15°C, even in August. Driftwood logs, bleached silver by sun and salt, collect at the high-tide line, offering impromptu seating for those content to watch fishing boats chug past en route to deeper waters.
The shoreline walk toward Cape Notoro reveals tide pools teeming with sea urchins and starfish. Fishermen set up portable grills to roast fresh-caught atka mackerel, the smoke drifting across the beach. As daylight fades, the volcano's silhouette sharpens against the sky, and if conditions align, you'll witness alpenglow painting the summit pink while waves continue their rhythmic assault on the stones.
