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Sanriku Fukkō NP, Miyagi
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From the sea, sailors and fishers used Mount Dairokuten as a landmark alongside Kinkasan. An An’ei-period record says its summit looked toward Sendai, Soma and Nanbu—one reason it was also called Mikuni-yama, or “Three Regions Mountain.”
On a walk along the ridge, look one way for Mangokuura and the other for Onagawa Bay, with islands including Izushima in view. It’s a lovely reminder that this mountain sits between two very different coastal landscapes.
Mikuni Shrine’s story began with a temple called Mikuni-dera on the mountain. After a fire destroyed the temple, a small shrine to Dairokuten remained; the shrine later became known as Mikuni Shrine after the Meiji era began.
An An’ei-period village record says Yokoura and Harihama jointly held the shrine’s annual rites and helped repair it. This mountaintop sanctuary was not just one village’s concern: two coastal communities shared its care.
Mikuni Shrine’s stone guardian dogs are an unusual large-and-small pair, described by Onagawa Town as standing close together. They were dedicated in 1847, so they have kept watch over the mountain for well over a century.
The 2011 Great East Japan Earthquake toppled Mikuni Shrine’s bell tower. Local parishioners worked to rebuild it, and the restored tower was completed in 2020—a mountain shrine story with a very local team behind it.
On a 2014 survey, Ministry of the Environment rangers found metallic-looking dung beetles near fresh deer droppings on Dairokuten. These beetles use animal dung in their life cycle and help break it down in the forest.
Dairokuten’s trail has clusters of the spring flower Hitorishizuka, or “One Shizuka.” Its single white flower spike was likened to the quiet dance of Shizuka Gozen, the famed companion of warrior Minamoto no Yoshitsune.
At a ridge spot called Butsuishi, Onagawa’s tourism association recalls that local school groups once came on excursions. A local nature guide also shared an older account that hawks were caught there in the time of Date Masamune.
