Northern Sierra Madre Natural Park, Natural park and World Heritage Site in Isabela Province, Philippines
Northern Sierra Madre Natural Park covers 359,486 hectares across eastern Luzon and features tropical rainforests extending from coastal areas to mountain peaks at 1,672 meters. The landscape includes different ecological zones shaped by elevation changes and diverse natural conditions.
The area received protected status in 1979 as a wilderness reserve under a presidential directive. This early recognition established it as one of the first large-scale protected natural areas in the region.
The Dumagat and Agta peoples have lived in this region for generations, developing sustainable practices deeply connected to forest life. Their presence continues to shape how resources are used and protected today.
Visitors need permits from local authorities and should explore with a guide, as the park terrain is challenging to navigate. It helps to check weather conditions and plan timing carefully before undertaking activities here.
The park holds more than 290 bird species, with over 80 found nowhere else on Earth except the Philippines. This concentration of species found only here makes it exceptionally important for global wildlife.
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