See lisbon from a different angle as you take a leisurely two hour cruise down the tagus river relax on the boat as you drift past lisbons monuments scattered along the waterfront such as the park of the nations parque das naes the monument of the discoveries and the 25th of april bridge take in views of the beautiful st george castle castelo de so jorge so vicente monastery and the unesco world heritage listed jernimos monastery which overlook the tagus river from the lisbon hil