A gate opener for simultaneously operating a pair of opposed sliding gates. The gate opener includes a pair of identical pulley assemblies one each affixed to the ground adjacent to a either gate and oriented a hundred eighty degrees to each other. A first cable is affixed to a lateral edge of a first gate, passes through a series of pulleys and is affixed to a medial edge of a second gate. A second cable is affixed to a lateral edge of a second gate, passes through a series of pulleys and is affixed to a medial edge of the first gate.