According to "Taicho-osho-den" (Biography of Priest Taicho) compiled at a later time, Taicho climbed Mt. Ochi at the age of 14 for training while praying to Eleven-faced Kannon (Goddess of Mercy).
後世に作られた泰澄の伝記「泰澄和尚伝」によれば、14歳の時越智山にのぼり、十一面観音を念じて修行を積んだ。