Alfonso Castañeda is a municipality in the province of Nueva Vizcaya, Philippines. It is a small and rural town, characterized by its lush mountains, forests, and natural attractions. The town is known for its scenic views, waterfalls, and caves, making it a popular destination for outdoor enthusiasts and nature lovers. Alfonso Castañeda is also home to the Dupax del Sur Hot Springs, a natural hot spring resort that offers a relaxing and therapeutic experience. The town’s natural beauty and unique features make it a distinctive and appealing destination in the region.