Panigan Underground River and Waterfalls

Panigan Underground River and Waterfalls is a natural attraction in Barangay Panigan, Esperanza, Sultan Kudarat, Mindanao, Philippines. It features an underground river flowing through a cave system and a series of waterfalls surrounded by forested landscape. The site is known for its clear waters, rock formations, and relatively undeveloped natural setting. It attracts visitors for swimming, cave exploration, and nature sightseeing within the municipality's ecotourism offerings.

Visitors can expect a forested natural setting reached by a short trek from Barangay Panigan. The site includes a cave entrance with an underground river flowing through rock formations and a series of waterfalls with natural pools downstream. Areas for wading and swimming are available near the falls. The environment is largely undeveloped and nature-oriented, with local guides typically accompanying visitors for cave and river exploration and photography.