The Plant Bath is a historical bath in Ottawa, Ontario, Canada. It was built along with the Champagne Bath in 1924 to try to improve the hygiene and well-being of the city's lower classes. It was named after Frank H. Plant, then mayor of Ottawa. It is located at 930 Somerset Street West at the intersection with Preston Street. It is in the center of the Italian-Canadian community and near the Chinese-Canadian areas of the city.