The Penghu Islands (澎湖群島) — sometimes called the “Hawaii of Taiwan” — are an archipelago of 90 islands in the Taiwan Strait, forming one of Taiwan’s most spectacular and undervisited travel destinations. With basalt sea cliffs, brilliant turquoise waters, coral reefs, and traditional fishing villages largely unchanged for generations, Penghu is a world apart from the mainland island’s busy cities.
Why Penghu is Special
Penghu’s landscape is geological poetry. The islands were formed by ancient volcanic activity — millions of years of lava flows cooling into hexagonal basalt columns that now form dramatic sea cliffs, sea caves, and rocky headlands in forms found nowhere else in Asia.
The surrounding sea is a marine paradise: coral reefs supporting extraordinary biodiversity, whale sharks and manta rays in season, sea turtles nesting on protected beaches. The water clarity is exceptional — turquoise, transparent, and seemingly lit from below on sunny days.
The Twin Heart Stone Weir
Penghu’s most iconic image is the Twin Heart Stone Weir on Qimei Island (the southernmost inhabited island of the Penghu group). This traditional fish trap — built from black basalt stones arranged in the shape of two interlocking hearts in the shallow coastal waters — is one of Taiwan’s most photographed landscapes and a symbol of Penghu’s combination of nature and human ingenuity.
The hearts are best seen from the air (drone photography has made this view globally known) or from the hillside observation point above the weir. Visit at low tide for the clearest view of the stone structure.
Basalt Geology Wonders
The islands’ basalt formations are extraordinary:
- Tongpanyu (Tung P’an Islet): Perfectly hexagonal basalt columns covering the entire island surface like a giant natural mosaic — designated a nature reserve
- Wangyiling Basalt Columns: Towering vertical columns on the eastern coast of the main island
- Xiaomen Sea Cave: A sea arch carved through a basalt cliff by wave erosion — kayaking through the arch is a popular activity
Water Activities
Penghu’s exceptional water clarity makes it one of Taiwan’s premier watersports destinations:
- Snorkeling and diving: Coral reefs surrounding most islands; whale shark snorkeling tours operate June–September
- Sea kayaking: Paddle through sea caves, around basalt columns, and between uninhabited islets
- Windsurfing and kitesurfing: Penghu’s strong winter winds (November–April) make it one of Asia’s top windsurf destinations
- Glass-bottom boat tours: See coral reefs without getting wet
Traditional Fishing Culture
Penghu’s villages maintain one of Taiwan’s most intact traditional fishing cultures. Stone-walled traditional houses, small fishing harbors, and communities where residents have lived off the sea for generations give the islands an atmosphere of quiet, authentic Taiwan that the mainland’s cities have largely lost.
Getting to Penghu
- By plane: Daily flights from Taipei (Songshan Airport), Taichung, Kaohsiung, and Chiayi to Magong Airport (Penghu’s main island). Flight time approximately 35–50 minutes. Book well in advance for summer travel.
- By ferry: Overnight ferry service from Kaohsiung to Magong (approximately 6–8 hours). More affordable and atmospheric but considerably slower.
Best Time to Visit
- Summer (June–September): Peak beach and watersports season; warmest water, best snorkeling conditions. Most crowded and expensive.
- Spring (April–May): Excellent weather, fewer crowds, good value. Best overall timing for most visitors.
- Winter (November–March): Strong winds make it uncomfortable for beach tourism but ideal for windsurfers; spectacular seascapes and very few tourists.

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