The protected landscape park has rich flora and fauna owing to its location in the Sierra Madre range. It is a known birdwatching site that offers sightings of the endemic scale-feathered malkoha, grey-backed tailorbird, elegant tit, grey-rumped swiftlet, white-browed shama, crested honey buzzard, Philippine bulbul, feral pigeon, peregrine falcon and mangrove blue flycatcher.