TUGUEGARAO CITY: In a move to protect the famous Callao Cave of Peñablanca, the Department of Environment and Natural Resources (DENR) in Region 2 (Cagayan Valley) has appealed to local officials to ensure the successful implementation of the agency's plans and initiatives for the preservation of the caves.

DENR Region 2 Executive Director Gwendolyn Bambalan reminded local officials that they share the same goal, that is, to protect and preserve the environment, including the Peñablanca Protected Landscape and Seascape (PPLS).