Mount Oyama, with an elevation of 1,252 meters, is a renowned mountain spanning the cities of Hadano, Atsugi, and Isehara in Kanagawa Prefecture. Its pyramid-shaped silhouette is recognized as a symbol of natural beauty. Known historically as the "Mountain of Sagami," it has been the focus of worship for the gods of agriculture and the sea. The summit is home to Afuri Shrine, dedicated to the deity Oyamatsumi-no-kami. The mountain, often called "Amefuriyama" (Rainfall Mountain) for its association with rain, is a blend of lush nature and deep religious history.
Hiking Information
The most common route to Mount Oyama starts from Isehara Station, taking a bus to the Oyama Cable Car, which leads to the trailhead at Afuri Shrine via the Omotesando path. Along this path, you’ll find souvenir shops and guide houses. The cable car takes 6 minutes to reach the lower Afuri Shrine station. The trail splits into two paths, Otoko-zaka (Male Slope) and Onna-zaka (Female Slope), with the latter being easier. Along the way, hikers can see ancient sites of Oyama faith, reaching the summit in about 3 hours. Descending the mountain, routes via Yabitsu Pass or the observatory are available, with the path to Yabitsu Pass being more convenient.
History and Culture
Mount Oyama became widely known during the Edo period, beloved by common folk and spawning group pilgrimages known as "Oyama Kou." The worship of the stone deity Oyama Daisongen and the Fudo Myoo faith of Oyama-ji Temple became entrenched among the people, creating a rich tapestry of mountain worship culture. The mountain’s slopes are dotted with waterfalls such as Misogi no Otaki, Atago Waterfall, and Moto Waterfall, used by pilgrims for purification before worship. The area around Mount Oyama and the town of Isehara once buzzed with activity, famously described as "Oyama of a Thousand Houses, Suka of a Thousand Houses," highlighting its historical significance.
Mount Oyama remains a vital site of syncretism between Shinto and Buddhism, attracting worshippers and hikers year-round, maintaining its tradition of being a spiritual center through the changing seasons.