Futarasan Shrine, founded in 767 AD, is a significant Shinto shrine in the city of Nikko, Japan, and is part of the 'Shrines and Temples of Nikko', a UNESCO World Heritage Site. The shrine is dedicated to the deities of Nikko's three most sacred mountains, Mount Nantai, Mount Nyoho, and Mount Taro. Its historical significance, architectural beauty, and serene environment attract many visitors. Set amidst lush forests, the shrine comprises several buildings, including the main sanctuary, the honden, and the iconic red-lacquered Shin-kyo bridge that stands at the entrance to the shrine complex. The shrine is also well-known for its spring water, which is believed to bring good luck. Festivals such as Yayoi Matsuri in April and Chrysanthemum Festival in October are celebrated here. The complex's design reflects the spiritual relationship between nature and humanity that is a key aspect of Shinto philosophy, making it not only a religious site but also a symbol of Japanese cultural identity and reverence for nature.