The details of Karamon gate in Encho-ji, Kamakura, Japan. The karamon or karakado (唐門 lit. Chinese gate?) is a type of gate seen in Japanese architecture. It is characterized by the usage of karahafu, an undulating bargeboard peculiar to Japan. Karamon are often used at the entrances of Japanese castles, Buddhist temples and Shinto shrines, and have historically been a symbol of authority.