Peñablanca is a municipality located in the province of Cagayan in the Philippines. It is known for its beautiful natural landscapes, including limestone hills and lush forests. The area is rich in biodiversity and is home to various species of plants and animals, making it a popular destination for nature lovers and outdoor enthusiasts. The municipality is also famous for the Callao Cave, a significant tourist attraction that features impressive rock formations and ancient artifacts. Peñablanca's economy is primarily based on agriculture, with local farmers growing crops such as rice and corn, contributing to the community's livelihood.