Wakamizu is a restaurant in the Hankyu Sanbangai underground passage in Umeda, Osaka, serving udon, soba, and rice bowls. It offers a katsudon set, curry udon, and nabeyaki udon, and its broth is rich. The restaurant is about a five-minute walk from Hankyu Osaka-Umeda Station, and it fills up soon after opening even before noon. The udon noodles are soft rather than chewy.