On the second day, embark on a thrilling cave exploration and nature trekking adventure. Visit the enchanting caves within the national park, such as the Imelda Cave, Cathedral Cave, and Quirino Cave. Marvel at the unique rock formations and stalactites inside these caves. After exploring the caves, go on a nature trekking expedition through the lush forests and trails of the national park. Enjoy the scenic views, spot wildlife, and immerse yourself in the natural beauty of the surroundings. Take a break and have a picnic amidst nature before continuing your trek.