A dryer includes a cabinet including a front panel, a door coupled to the front panel, a base disposed on a lower portion of the cabinet, a condensate water tray disposed on the base and configured to receive water, a water tank configured to be withdrawn forward of the front panel and configured to store water received in the condensate water tray, and a cap configured to couple to the water tank. The water tank includes a front surface part disposed vertically below the front panel of the cabinet, a top surface part that extends rearward from an upper portion of the front surface part and that defines a water tank inlet configured to be coupled to the cap, and a side surface part that extends rearward from each of both sides of the front surface part.