Mount Isarog
Mountain Bicol volcano with protected rainforest and endemic species
In the Bicol Region, Mount Isarog sits inside Isarog Natural Park, known for rainforest trails, waterfalls and endemic species; hikers and nature observers visit for multi-day treks and biodiversity.
Mount Isarog is a forested stratovolcano in the Bicol Region of the Philippines that is designated as a protected natural park. It is recognized for its biodiversity and intact montane forest cover.
Hikers use marked trails to reach the summit through primary and secondary forest, and the mountain is an important watershed and refuge for endemic species. Visitor access is managed by park authorities under the natural-park designation.
The volcano sits on the island of Luzon within Camarines Sur province, with the city of Naga and other regional towns providing the usual access points to the park.
- Protected status: The area is protected as a natural park to conserve montane forest and endemic species, so established trailheads and park regulations govern access to the summit.
How to Get to Mount Isarog #
Isarog is accessible from Naga City (Bicol). Buses and jeepneys run to towns around the mountain where park offices and trailheads are located; local guides and DENR rangers coordinate trekking and camping permits.
Tips for Visiting Mount Isarog #
- If planning a multi-day trek, coordinate with local DENR rangers in Naga City or nearby municipalities for permits and trail info.
- Monsoon season (June-October) makes lower slopes slippery; consider dry months for safer hiking.
- Watch for endemic birdlife and the crater lake's changing levels after heavy rain.
Best Time to Visit Mount Isarog #
Dry season offers safer trail conditions and clearer weather for views.
Weather & Climate near Mount Isarog #
Mount Isarog's climate is classified as Oceanic - Oceanic climate with consistently warm temperatures year-round. Temperatures range from 13°C to 24°C. Heavy rainfall (3399 mm/year), wettest in November.
January
January is cool with muggy conditions (dew point 22°C). Heavy rain (239 mm) and mostly overcast skies.
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February
February is the coolest month with highs of 21°C and lows of 13°C. Significant rainfall (148 mm) and partly cloudy skies.
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March
March is mild with muggy conditions (dew point 22°C). Significant rainfall (162 mm) and partly cloudy skies.
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April
April is mild with muggy conditions (dew point 23°C). Significant rainfall (155 mm).
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May
May is the warmest month with muggy conditions (dew point 24°C). Heavy rain (237 mm) and partly cloudy skies.
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June
June is the warmest month with stifling humidity (dew point 24°C). Heavy rain (281 mm) and partly cloudy skies.
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July
July is mild with stifling humidity (dew point 24°C). Heavy rain (344 mm) and mostly overcast skies.
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August
August is mild with stifling humidity (dew point 25°C). Heavy rain (263 mm) and mostly overcast skies.
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September
September is mild with stifling humidity (dew point 25°C). Heavy rain (315 mm) and mostly overcast skies.
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October
October is mild with stifling humidity (dew point 24°C). Heavy rain (395 mm) and mostly overcast skies.
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November
November is mild with stifling humidity (dew point 24°C). The wettest month with heavy rain (440 mm) and mostly overcast skies.
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December
December is cool with muggy conditions (dew point 23°C). Heavy rain (420 mm) and mostly overcast skies.
