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ASEAN Heritage Parks

Mt. Inayawan Range Natural Park

Considered as the last forest bastion and critical watershed area located in the Province of Lanao del Norte, Mindanao, Philippines. It is the only primary remaining and largest rainforest dominated by Dipterocarp species and containing high diversity of flora and fauna in the province. The natural park is a primary source of water supply not just to the immediate communities surrounding it but also for irrigation and potable water to Kapatagan Valley, the rice granary of Lanao del Norte.

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Location
Has geographical coordinate with longitude 123o55’04.47” and latitude 7o49’10.52”, found in the province of Lanao del Norte, Region 10. The mountain range is located in the Municipality on Nunungan, Lanao del Norte.
Area
43.4612 km2
Date declared as an AHP
2022
Other international designations
KBA 108, IBA 96
Habitat types
Largest remaining close forest in the Province with four forest types: mossy, pine, dipterocarp and molave forests. Includes important natural assets such as three lakes, falls and caves
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41 species of birds, 8 species of mammals and 14 species of reptiles; 6 Fishes that include some vulnerable species like the mudfish and paitan

21 Dominant plant species, half of which are Dipterocarps: Almon, Apitong, Bagtikan, Gisok, Guijo, Mayapis, Narig, Tanguile, White Lauan. These species are either endangered or critically endangered.

4 Epiphytes/Therophytes: 2 species of Pakpak Lawin which are considered threatened, Pako and Giant bamboo

Unique Flora: 21 Dominant plant species, half of which are Dipterocarps: Almon, Apitong, Bagtikan, Gisok, Guijo, Mayapis, Narig, Tanguile, White Lauan. These species are either endangered or critically endangered.

The list of trees that are both Philippine endemic and IUCN “threatened” species include (i) Yakal Shorea astylosa (Endangered), (ii) Kalunti S. hopefolia (Critically Endangered), (iii) Malabayabas Xanthostemon bracteatus (Vulnerable), (iv) Magkono Xanthostemon verdugonianus (Vulnerable), and (v) Red Nato Palaquium luzonensis (Vulnerable).

Unique Fauna: Philippine Eagle & Philippine deer and rare species like the Mindanao Flying Squirrel, Scope Owl, White Collar Kingfisher, Rostan Hornbill and Mindanao Warty Pig and other Philippine endemics such as Philippine pygmy squirrel Exilisciurus concinnus, and the Philippine Flying lemur Cynocephalus volans

Habitat Types: Largest remaining close forest in the Province with four forest types: mossy, pine, dipterocarp and molave forests. Includes important natural assets such as three lakes, falls and caves

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