The rivers on Titan flow, pool into lakes and are fed by rainfall on a slow cycle much like our own, but the liquid is methane and the ground beneath it is water frozen hard as stone - Space Daily

Saturn's moon Titan has rivers, rainfall, lakes and a slow hydrological cycle uncannily like Earth's — but the liquid is methane, the bedrock is frozen water ice, and the whole system runs at minus 179 degrees Celsius.