Tanap-Avis Falls
Tanap-Avis Falls is a natural waterfall in Burgos, Ilocos Norte, Philippines. The basin-like waterfalls is a popular destination because of its pigmented turquoise waters. It is part of a watershed forest reserve under the National Integrated Protected Areas System (NIPAS) of the DENR-Protected Areas and Wildlife Bureau. References 

 
Waterfalls of the Philippines
Tourist attractions in Ilocos Norte
Landforms of Ilocos Norte