The two counties of Yunlin and Chiayi and Penghu County face each other across the sea. The widest waterway is about 30 kilometers, located between Chamuyu and Waisanding Island.
Yunlin, Jiayi two counties and Penghu County across the sea. The waterway is about 30 km wide and is located between Chamyu and Outer Umbrella Top Island.
Yunlin and Jiayi counties face Penghu County across the sea. The maximum width of the waterway is about 30 km. It is located between chamu island and Wai San Ting island.<br>