Cai Pu Ao — Cai Pu Ao is a natural scenic spot located at the end of Jianguo Road on the northeast side of Xi Ju Island, belonging to Tianwo Village, famous for its granite coastal erosion landforms.

Cai Pu Ao. Cai Pu Ao is a natural scenic spot located at the end of Jianguo Road on the northeast side of Xi Ju Island, belonging to Tianwo Village, famous for its granite coastal erosion landforms. Cai Pu Ao is a natural scenic spot located at the end of Jianguo Road on the northeast side of Xi Ju Island, belonging to Tianwo Village, famous for its granite coastal erosion landforms. The rock formations along the coast have clear joints, and years of wave erosion have created spectacular scenes of cliffs, reefs, and layers of waves. This place was once an important harbor for Xi Ju during the summer and also preserves local customs such as seaweed harvesting and wartime memories. It is also one of the famous spots for observing the "Blue Tears" when there is no light pollution at night. Address: 連江縣莒光鄉連江縣莒光鄉菜浦澳 Hours: 00:00–23:59 Matsu