It has a maximum depth of 9 meters and is at an elevation of 1,636 meters .
Lake Zway is 31 kilometers long and 20 km wide , with a surface area of 440 square kilometers .
Lake Zway has a maximum depth of 9 meters and is at an elevation of 1,636 meters .
Lake Zway is 31 kilometers long and 20 km wide , with a surface area of 440 square kilometers .