Reef · Pinnacle · Drop-off
Cathedral

About This Dive Site
Cathedral (Anilao)
Welcome to Cathedral, one of Anilao's most iconic and beloved dive sites. This intermediate dive site offers a truly unique underwater experience, blending natural beauty with a fascinating history. We recommend this site for divers holding an Open Water certification and above, as currents can be moderate.
The Underwater Landscape
As divers descend, you will discover two magnificent, coral-crusted rock mounds rising from the seabed, creating a natural, roofless underwater amphitheater. These impressive formations are separated by a sandy channel, leading to the site's most distinctive feature: a concrete cross planted between the rocks at approximately 15–18 m. This cross was placed by former Philippine President Fidel V. Ramos in 1983 and later blessed by Pope John Paul II, lending the dive site its evocative name and the feel of an underwater altar.
The topography here is dynamic, with the mound tops sitting in the 5–8 m range and slopes extending down to about 20–25 m on the surrounding reef. The site's maximum depth can reach around 30 m, providing opportunities for exploration at various levels.
Thriving Marine Life
Once impacted by fishing, Cathedral has been transformed into a vibrant marine sanctuary through dedicated coral transplantation efforts, which began as early as 1967, and a long-running fish-feeding tradition. Today, divers will find the dive site teeming with life. Schools of Fusiliers (Caesio spp.) are a common sight, often swirling around the cross, alongside snappers, jacks, and surgeonfish.
We often encounter Longfin Batfish (Platax teira) gracefully navigating the reef, while Giant Morays (Gymnothorax javanicus) peer from crevices. Keep an eye out for the striking Red Lionfish (Pterois volitans) and the majestic Green Sea Turtle (Chelonia mydas). The healthy coral reefs, a mix of hard and soft corals, sponges, and hydroids, provide habitat for a diverse array of smaller creatures. Divers can also spot numerous nudibranchs, frogfish, Moorish idols, butterflyfish, clownfish, angelfish, triggerfish, wrasse, and pufferfish. Occasional sightings of sharks and rays have also been reported.
Diving Conditions
- Difficulty: Intermediate
- Depth: Divers can explore depths ranging from 5 m to a maximum depth of 30 m, with the iconic cross located at 15–18 m.
- Current: Currents at Cathedral are typically moderate, though they can occasionally pick up, making it an engaging drift dive.
- Water Temperature: The water temperature in Anilao generally ranges from 23°C to 30°C throughout the year, with cooler temperatures (23-26°C) from January to March and warmer temperatures (27-30°C) from March to September.
- Certification Required: Open Water certification.
- Site Types: Reef, Pinnacle, Drop-off.
Potential Hazards
As with any dive site, divers should be aware of potential hazards. These include moderate currents, which can vary, and boat traffic, particularly near the surface. Always pay attention to your depth and bottom time, especially when exploring deeper sections of the dive site.
Current Conditions
Typical current strength at this dive site
Moderate
Noticeable current requiring some effort to swim against. Good buoyancy control recommended.
Strength Scale
None
Mild
Moderate
Strong
Best Time to Visit
Monthly conditions and seasonal highlights — tap a month
Outside peak diving season. Conditions may be less predictable.
Marine Life
5 species recorded at this site
Hazards & Safety
Be aware of these potential hazards at this dive site
Current
MediumModerate tidal current can reach 1–2 kt around the rock mounds; plan dive around slack
Boat traffic
MediumHeavy banca dive-boat traffic above the popular sanctuary — mandatory SMB on ascent
Depth
MediumMounds drop to ~30 m; extended time at depth pushes NDLs for Open Water divers
Certification Required
A minimum of Open Water certification is required to dive this site.
360° Underwater View
Immersive panoramic view of this dive site
360° panorama coming soon
Immersive underwater views will be available when panoramic imagery is uploaded
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Depth Profile
Vertical range at this site
Minimum Depth
16 ft
Shallowest point
Average Depth
59 ft
Typical dive depth
Maximum Depth
98 ft
Deepest point
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