Hezekiah's Pool

31°46′37.83″N 35°13′44.79″E / 31.7771750°N 35.2291083°E / 31.7771750; 35.2291083 Hezekiah's Pool (Hebrew: בריכת חזקיהו, Brikhat Hizkiyahu), or the Patriarch's Pool, located in the Christian Quarter of the Old City of Jerusalem, was once a reservoir forming part of the city's ancient water system.