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Sanriku Fukkō NP, Miyagi
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Karakuwa’s 16-meter Oreishi was once called Tenchū-iwa. In 1896, the Meiji Sanriku tsunami snapped about 2 meters from its top; “Oreishi” means “broken stone.”
At Kannokura on Karakuwa, fishermen found pale boulders apparently hauled from the sea by the 2011 tsunami. Several are over 3 meters tall; the largest is about 6 meters high and 5 meters wide.
Step on dry sand at Kukunakihama, on Karakuwa’s west coast, and it can answer with a little “ku-ku” squeak. The sound comes from quartz grains rubbing together; the beach is protected as a natural monument.
As Karakuwa oysters grow, farmers move them from calm inner bays to faster currents offshore. This “moma-re” method lets the waves work the oysters over, firming their flesh and concentrating their flavor.
In 1675, 5 boats from Kishu (today’s Wakayama) followed bonito north to Shibitachi, Karakuwa. A local family learned their fishing method, helping establish pole-and-line bonito fishing in the Sanriku region.
At Mone Bay on Karakuwa, oyster farmer Shigeatsu Hatakeyama began “Forest Is the Lover of the Sea” tree-planting activities in 1989. The idea links healthy forests, rivers and the bay where his oysters grow.
Karakuwa’s traditional Dairyo Utaikomi was more than a work song: fishermen sang and kept time with their oars as they rowed home, letting waiting families know a good catch was coming and to prepare for the landing.
At Karakuwa’s Osaki Shrine festival, visitors could buy a 26-centimeter wooden sappa-bune. Fishing families displayed the miniature boat on their household altar as a charm for safety during long voyages.
For roughly 200 years, Osaki Shrine’s Saki Festival has prayed for a good bonito catch. In the old days, fishermen came ashore to purify themselves, then accompanied a small sacred boat in a procession three times around the sea.
At Karakuwa’s Kosaba Kadomari, women began performing a Seven Lucky Gods dance in 1948 while the men were away at sea. The all-women tradition brings the gods onstage with drums, flute and bells.
At Cape Osaki, Karakuwa’s 250-million-year-old rock preserves ripple marks from weak currents on an ancient seabed. Nearby, dramatically folded layers record underwater slides of soft sand and mud.
At Ogama on Karakuwa’s east coast, waves and rocks make the water look as if it is boiling in a giant pot. Offshore, Hachiman Rock seems to cap it—giving the place its name, Ogama, or “Giant Cauldron.”
One step in Karakuwa oyster farming sounds like a spa treatment: oysters are lifted from the sea and dipped in about 70°C water for 15–20 seconds. Their thick shells protect the meat while the hot bath removes seaweed from the shells.
Evergreen tabunoki trees grow around Osaki Shrine on Karakuwa’s cape, near the northern limit of their distribution. The grove brings a distinctly subtropical touch to this far-northern stretch of Miyagi’s coast.
Karakuwa’s visitor center once housed Japan’s first tsunami-experience facility, opened in 1984. Its simulator used film, sound, wind and seat vibration; it closed in 2022, and the renovated visitor center reopened in 2024.
