Mt. Shijiki

Mt. Shijiki is a 347-metre volcanic peak at the southernmost tip of Hirado Island in Nagasaki Prefecture. The mountain has a sharp, conical profile formed from eroded andesite rock, projecting steeply into the East China Sea. To reach the top, you ascend a trail that begins in dense coastal forest. Eventually the path emerges above the treeline with an apparently insurmountable rock face before you. From here it’s necessary to navigate a steep, exposed climb. For the final section, you pull yourself up near-vertical rock faces using a series of fixed ropes and chains anchored into the stone.

The summit is a narrow, rocky ridge with an extraordinary view over Hirado Island. The elevation and coastal position provide unobstructed sightlines across the surrounding maritime geography. To the west, the Gotō Islands rise from the water, while the deeply indented bays and numerous small islets of the Kujūkushima archipelago spread out to the east and south. Strong coastal winds restrict the vegetation near the peak to low, hardy shrubs, leaving the rocky apex completely exposed to the elements.

The mountain’s distinctive horn-like silhouette has long functioned as a critical navigational marker for early mariners. Between the 7th and 9th centuries, official envoy ships travelling from the Japanese archipelago to the Asian mainland relied on the peak to chart their course. Navigators departing from Kyūshū used the mountain’s precise orientation to guide their vessels safely into the open ocean on the ‘northern route’ towards Sui and Tang dynasty China.

Because of its prominent position, it’s also an ancient religious site associated with maritime safety and mountain asceticism. Shijiki Shrine spans the entire mountain, with a lower worship hall at the base, a middle structure in the forest, and a small stone ‘upper shrine’ sitting directly on the highest crag. Archaeological excavations around this summit shrine have uncovered ceremonial pottery from the Heian period (794–1185), deposited there during ancient rituals praying for safe sea crossings.