Tamate-yama (玉手山), also known as Komatsu-yama (小松山), is a small mountain located in Kashiwara, Osaka, Japan. The mountain was an important feature of the battle of Dōmyōji.This small peak and its slopes were to be a defense point for the Osaka-based army of Toyotomi Hideyori to defend against the approaching Eastern Army of Tokugawa Ieyasu.