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Itbayat Island

Rapang Cliff & Stone Bell (Itbayat)

Situated on the eastern coast of Itbayat Island, Rapang Cliff is a dramatic landscape of uplifted coral limestone formations, sea cliffs, and grassy plateaus. It is famous for the Tungw (Stone Bell), a natural ringing rock formation historically used by ancient Ivatan villagers to signal the community across the island.

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Sharp uplifted coral limestone cliffs and green pasture plateau on Itbayat Island facing the Pacific Ocean

Topography and Archaeological Context

Like much of Itbayat, Rapang is formed from ancient uplifted coral reefs (karst limestone), creating sharp rock terraces and sea cliffs rising dozens of meters above the Pacific Ocean.

1. The Tungw (Natural Stone Bell)

The Tungw is a hollow-sounding coral limestone monolith resting on a natural ledge. When struck with a small rock, it produces a clear, metallic ringing tone that resonates across the open terrain. In pre-colonial times, village leaders struck the Tungw to summon residents for community meetings, weather warnings, or defense alerts.

2. Coral Rock Terraces & Pastures

The trail to Rapang winds across fossilized coral terraces where ocean fossils are embedded in the rock, transitioning into open grass pastures grazed by local goats and cattle.


What to See and Experience

1. Striking the Tungw (Stone Bell)

Guided by a local Itbayaten guide, visitors can experience striking the ancient ringing stone and hearing its resonance across the cliff plateau.

2. Coral Karst Trekking

Walk among razor-sharp coral limestone rock pinnacles formed over millions of years as ancient ocean reefs were uplifted above sea level.

3. Solitary Ocean Views

Stand on the high sea cliffs of Rapang to view the Pacific Ocean swell breaking against the cliff base, with no land between Itbayat and distant sea horizons.


Logistics and Expedition Access

Detail Specification
Location Eastern Coast of Itbayat Island
Travel Route to Itbayat 3 to 4 hour falowa boat ride from Basco, or light passenger aircraft (when operational)
Local Access 30-minute tricycle ride from Mayan (Itbayat town center), followed by a 1.5 to 2 hour guided trek across rock terraces
Mandatory Requirement Registered local guide from Itbayat Municipal Tourism Office
Physical Difficulty Strenuous (trekking across sharp, uneven coral rocks and unshaded terrain)

Traveler Tips & Safety Guidelines

  • Sturdy Footwear Required: Wear thick-soled hiking boots with strong ankle support. The sharp coral limestone rocks at Rapang can easily cut soft rubber shoes or thin slippers.
  • Sun Protection & Water: There is zero shade along the Rapang Cliff trail. Carry at least 2 liters of drinking water per person, sun protection, and a hat.
  • Guide Supervision: Always follow your local Itbayaten guide's exact footing paths. Do not step near unstable rock edges or hidden sinkholes in the limestone karst.

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The Batanes coastline at sunset over the Luzon Strait