Wu Kong Dong — Wu Kong Dong is composed of agglomerate or tuffaceous agglomerate. The pebbles of the tuffaceous agglomerate are black, irregularly shaped basalt or basaltic pyroxene andesite.

Wu Kong Dong. Wu Kong Dong is composed of agglomerate or tuffaceous agglomerate. The pebbles of the tuffaceous agglomerate are black, irregularly shaped basalt or basaltic pyroxene andesite. Wu Kong Dong is composed of agglomerate or tuffaceous agglomerate. The pebbles of the tuffaceous agglomerate are black, irregularly shaped basalt or basaltic pyroxene andesite, with particle sizes ranging from several centimeters to several meters. It generally has irregular pores, and those with many pores resemble volcanic slag or basic pumice. Address: 臺東縣蘭嶼鄉五孔洞蘭嶼環島公路 Hours: 00:00–23:59 Taitung