[3][5] Emperor Tenji also presided over the establishment of the first rōkoku, or Japanese water clock system, which was installed in 671.

[2] Omi shrine pavilions were constructed by a method of Omi-zukuri, and it is listed in the Registered Tangible Cultural Properties of Japan.

[8] There are a multitude of facilities within the precinct of the shrine, including Ichi-no-Torii (一の鳥居: First gate), Ni-no-Torii (二の鳥居: Second gate), Syagō Hyō (社号標: Stone pillar on which shrine name is engraved), Temizusha (手水舎: Purification font), Yuisho Kōsatsu (由緒高札: Official bulletin board about the origin), Rōmon (楼門: Tower gate), Ge-haiden (外拝殿: Outer Haiden), Nai-haiden (内拝殿: Inner Haiden), Honden (本殿: Main hall), Kaguraden (神座殿: Hall for a sacred symbol), Tokeikan Hobutsukan (時計館宝物館: Treasure hall of clock museum), Hidokei (日時計: a sun-dial), Rokoku (漏刻: water clock ), Kodai Hidokei (古代火時計: Ancient fire clock), Jidosya Kiyoharae-sho (自動車清祓所: Purification place for cars), Seishō Yōhaiden (栖松遙拝殿: The hall to worship kami from afar), Karuta gaku (かるた額: Frame for karuta), Haraedo (also known as 'harae-dokoro,' or 'harae-dono')(祓所: a site where harae is performed), Komorebi no Michi (木洩れ日の道: The road of sunlight filtering through trees ), Tokei Gakko (時計学校: The clock School), Omi Kangakukan (近江勧学館: Omi school), and Zen-an (善庵).

[64][better source needed] The tournaments take place here as Emperor Tenji composed the first poem of the Ogura Hyakunin Isshu poetry collection forming the basis of the game.

[64][better source needed] Another annual festival, Reisai, is held on 20 April, the anniversary of Otsu establishment as the capital during Emperor Tenji reign.