was a Japanese Sōtō Zen teacher of the 20th century. Also known as the , he was famous for residing in a public park in Komoro in Nagano Prefecture where he practiced zazen and played songs for travelers by whistling on a leaf. He had resided at Antai-ji for eight years from 1949 to 1957 as a student of Kodo Sawaki before moving to Komoro in 1959. He continued his life in the park until his death in 1980.
See also Slek leaf whistle or flute as used in Cambodia. Same type of instrument that Sodō Yokoyama played, different culture.
References
External links Audio of Yokoyama's leaf flute music