
Linao Cave in Guiuan, Eastern Samar, is a natural limestone cave featuring a clear underground lagoon that resembles a cenote hidden within rock formations. Located in the Calicoan area, it is reached through a short jungle trek leading to a cave entrance surrounded by rugged limestone walls. Inside, the water is a mix of freshwater with slight brackish influence, depending on tidal conditions and underground connections, which contributes to its cool temperature and clear blue-green appearance. The cave chamber is dim and peaceful, with natural light filtering through openings above that reflect on the water and limestone surfaces. Visitors typically enter with a local guide due to the slippery terrain, narrow passages, and varying water depths that can range from shallow edges to deeper central sections. Overall, Linao Cave is regarded as one of Eastern Samar’s hidden natural attractions, offering a calm and unique swimming experience in a preserved and minimally disturbed environment under guided safety practices.
Recent conditions
Water type: freshwater with slight brackish influence depending on underground connections and conditions Temperature: cold year-round Water clarity: generally very clear near entry, slightly darker in deeper sections Environment: dim to dark interior with natural light beams from openings above Terrain: limestone walls, uneven rocks, slippery surfaces
Typical conditions
Water type: freshwater with slight brackish influence depending on underground connections and conditions Temperature: cold year-round Water clarity: generally very clear near entry, slightly darker in deeper sections Environment: dim to dark interior with natural light beams from openings above Terrain: limestone walls, uneven rocks, slippery surfaces
Best season
The best season to visit Linao Cave in Guiuan, Eastern Samar is during the dry season: December to May.
Access
Start with a 10–15 minute jungle trek over rocky limestone terrain and uneven ground. Upon reaching the entrance, access to the cave is typically managed by local guides, and visitors either enter by carefully descending into a narrow opening or by swimming through a water-filled passage leading into the underground lagoon.
Hazards
Fees
Entrance fee: around ₱25–₱50 per person Guide fee: Usually ₱300–₱500 per group
Contact
Not listed yet.
Minimum depth
Not listed yet.
Maximum depth
Not listed yet.
Coordinates
10.94897, 125.82902