Rambling old riverside pub on two levels with one regular and up to four changing real ales (usually from London and other local microbreweries) available in the downstairs bar. Food available daily, and the rear patio overlooks the Thames. Further buses run from nearby Green Street. Beer range features mainly London micros. The name relates to a member of the Grand Order of Water Rat's horse. A blue plaque commemorates the founding of the entertainment industry charitable organisation here in 1889.