Join 宗教与灵性 upcoming events being held in Peñablanca. Peñablanca is a picturesque city in the Cagayan Valley region of the Philippines, known for its stunning natural beauty, including the magnificent Pinacanauan River and the awe-inspiring Palaui Island, as well as the historically significant Callao Cave, making it a must-visit destination for outdoor enthusiasts and history buffs alike.