Oiyama Temple is a historic Buddhist temple located in Tochigi Prefecture, Japan. Founded in the 8th century, it is known for its beautiful architecture and serene surroundings. The temple is dedicated to Fudo Myoo, a deity associated with wisdom and protection, attracting many visitors seeking spiritual guidance. The temple complex features several halls, pagodas, and a scenic hiking trail leading to the summit of Mount Oiyama. Pilgrims and tourists often visit to experience the natural beauty and tranquility of the area. Oiyama Temple is also part of the Nikko National Park, enhancing its appeal as a destination for nature lovers.