Facts
- Elevation: 1,161 m (3,809 ft)
- Prominence: 921 m
- Peak category:
Spesial - Region:
Luzon - Coordinates: 13.4589, 123.4514
- Rating:
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Mount Asog, also known as Mount Iriga, is an old stratovolcano located in Camarines Sur, Bicol Region. The mountain features distinctive knife-edged slopes and offers breathtaking views of surrounding peaks such as Mount Mayon, Mount Malinao, Mount Masaraga, and even the island of Catanduanes on clear days. The hike typically takes one to two days, depending on the chosen trail and pace. The two main jump-off points are Sitio Ilian in Barangay San Nicolas, Iriga City, and Barangay Cabatuan in the town of Buhi. Routes vary from straightforward day hikes to more extended explorations including the Esplana Base Camp and Dead Crater, allowing for multi-day trips. The trails pass through forested areas and exposed cogon grass near the summit, so preparation for hot sun and rugged terrain is advised. Lake Buhi, formed from Mount Asog’s last eruption in 1641, lies nearby and is notable for rare fish species.
The main trailhead is on the edge of Iriga City at around 80m and to the south-west of the peak.
Practicalities
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- Getting there: From Naga City, take a bus or van to Iriga City, which is about a 1.5 to 2-hour trip. From Iriga City, tricycles or jeepneys can take you to the Sitio Ilian jump-off point in Barangay San Nicolas, which requires a short ride. Alternatively, travel to the municipality of Buhi where the trail from Barangay Cabatuan begins. This route involves a longer approach and is used for extended trekking itineraries. Local guides can be arranged at the jump-off points or through contacts in Iriga or Buhi.
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- Permits: No formal national park permits are required for Mount Asog. However, registration is advised at the barangay or municipal levels, particularly when using the Buhi side trails. Guides, often from local Aeta or indigenous communities, are recommended and can be hired at the jump-off points. It is courteous to inform local authorities about your plans to support community engagement and safety.
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- Water sources: Water sources along the ascent include streams and springs at various points on the trails. Hikers should carry sufficient water especially for exposed sections like the cogon grass areas near the summit.
Local Average Monthly Rainfall (in Manila) 
Location
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Origins and Meaning
The mountain is named after an ancient Aeta datu (chieftain) called Asog and is sometimes referred to as Mount Sumagang, meaning “Mountain of the Rising Sun,” because the sun appears to rise from it when viewed from some lowland areas.