Fengguei Cave is one of Penghu’s most visited sea-erosion sites, situated in Fengguei Village, Magong City. It is known for the deep, rumbling sound produced when northeast monsoon swells drive winter waves into the cave mouth — an experience traditionally called Fengguei tīng tāo (“listening to the waves at Fengguei”), and one of Penghu’s Top Ten Scenic Spots. The cave was carved from basalt by prolonged wave action and provides direct insight into the volcanic geological history of the Penghu Archipelago.
Highlights
The cave mouth faces northwest and extends roughly 20 metres in depth, with a wide, tall opening. During the winter northeast monsoon, waves can reach 3–5 metres; each surge forces a column of air through the cave, releasing a low, resonant boom — the core of the “listening to the waves” experience. The basalt’s columnar jointing is clearly visible, displaying Penghu’s Cenozoic volcanic geology. The rock faces flanking the cave mouth have been weathered into a honeycomb texture, with fine surface patterns recording centuries of wave action.
Getting There and Nearby Attractions
Fengguei Cave is located to the southwest of Magong City, about 5 km from the city centre. From Magong Port station, a local bus takes roughly 15 minutes to the Fengguei Village area, followed by a 5–10 minute walk to the site. A car park and a railed walkway are available at the entrance for visitors arriving by car or scooter.
Nearby attractions include Fengguei Coastal Park (10 minutes on foot), which provides a seaside rest area; the Hage Release Stele (15 minutes on foot), which marks historical fishing ties between Penghu and Japan; and the southern viewing point of the Penghu Cross-Sea Bridge (10 minutes by car), with views across to Baisha Island. Tianhou Temple, the Four-Eyed Well, and Zhongyang Old Street in Magong City Centre are all within a 20-minute drive, making them straightforward to combine for a day covering both geological and cultural sites.