Gokokuji Temple (Head temple of the Tozan sect of Shingon Buddhism/Shinrei Mountain)

Gokokuji Temple was founded in February 1681 by the fifth shogun Tokugawa Tsunayoshi to commemorate his natural mother, Keishōin. This sacred site serves as a temple of the Buzan sect of Shingon Buddhism and represents one of Tokyo's most historically significant religious complexes. The temple is perhaps unique in Tokyo for having survived over three centuries unscathed by fires, earthquakes and wars, making it an exceptional example of Edo period architecture.

The temple became sacred to the natural amber Nyoirin-Kanzeon statue, with the present Kannon Hall constructed within half a year of the temple's establishment. Gokokuji holds the distinction of being the 13th grounds of the Edo 33 Kannon Sacred Sites, emphasizing its importance in Tokyo's Buddhist pilgrimage network. The temple notably survived the American air raids during World War II, whereas most other historical sites in Tokyo were destroyed.

Visitors experience a remarkable collection of original Edo period buildings that showcase traditional Japanese temple architecture. The main hall and Kannon Hall retain their original appearance despite numerous restorations, and visitors can view a 2.5-meter tall Great Buddha after climbing the temple stairs. Starting in the 1920s, tea master Takahashi Souan began building tea houses at the temple, including the Gekkoden (Moonlight Pavilion) purchased from Miidera Temple in Shiga prefecture. The temple grounds feature multiple historic structures, traditional gardens, and seasonal cherry trees that create a peaceful atmosphere away from Tokyo's urban intensity.

The most convenient access is via the Yurakucho Line subway to Gokokuji Station, followed by a few minutes' walk. Alternative routes include taking the JR Yamanote Line to Ikebukuro Station, then the Toei bus to Gokokuji-mae stop. The temple facilities are open from 10 AM to 4 PM with a closure from 12 PM to 1 PM. Admission to the temple grounds is free, though specific tea house experiences may require separate arrangements.