Etymology and distribution of 冨岩.

Tomiiwa 【冨岩】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Hiroshima-ken Higashihiroshima-shi , Ishikawa-ken Housu-gun Noto-chou . 樋谷 There surname. Hiroshima-ken Higashihiroshima-shi Distributed in Kiyotan- cho Kizutani. Ishikawa-ken Housu-gun Noto-chou Tell him that he was engaged in agriculture in Akeno. Estimated in the Edo period. 樋谷 Hitani reference.