Dupag Rock Formation

Dupag Rock Formation is a natural limestone rock formation located in Barangay Marag, Luna, Apayao, in northern Luzon, Philippines. Situated along the Apayao River, it features towering karst cliffs and large boulders shaped by natural erosion. The site is recognized as a local natural attraction and eco-tourism destination within Luna municipality, known for its scenic riverine landscape, geological features, and opportunities for sightseeing and photography in a rural setting.

Visitors can expect a riverside natural landscape dominated by large limestone cliffs and boulder formations along the Apayao River in Barangay Marag. The area offers open views of the river, rock walls, and surrounding vegetation. Visitors can walk around the base of the formations, view the rocks from the riverbank, take photographs, and enjoy the quiet rural environment. Access is typically via a short walk from the barangay road with assistance from local guides.