A self-contained swimming pool for containment of water and generation of water currents therein for exercise, therapy and/or rehabilitation of a user comprising a rigid frame exteriorly located in relation to an inner water containment area. A set of water return channels in communication with the inner water containment area. A propulsion system in communication with the set of water return channels and the inner water containment area. A hydraulic system for driving the propulsion system using a hydraulic fluid to produce a current in the inner water containment area allowing positioning of a user in the current for exercise, therapy and or rehabilitation therein and wherein the hydraulic system is self-contained and mounted external of the rigid frame.