- Langun-Gobingob Caves (Barangay Panayuran)
The largest cave system in the Philippines, reputed to be the second largest in Asia and the world’s third largest karst formation, is 7 km. long with an area of 900 square km.
- Lulugayan Falls and Rapids (Barangay Literon)
Hundreds of waterfalls cascade down the 14-kilometer rapids from the source at Lake Kalidongan to the Calbiga River. The most majestic and panoramic is the Lulugayan Falls at Barangay Literon. Approximately fifty meters wide, Lulugayan Falls has been dubbed by tourists as a Mini Niagara.
- Kalidongan Lake (Barangay Literon)
The eternal spring—the mythical crater-like lake, 90–100 meters in diameter, lined with clean white limestone. Its clear, fresh water endlessly flows down the rapids, onto the Calbiga River and Maqueda Bay.
- Maqueda Bay and Mangrove Forests
The richest spawning grounds in Estern Visayas for Fish and crutanceans and one of the pillars of the island’s economy.
- Calbiga River
The river is the town’s thriving lifeline. Small bancas daily go upstream abd downloaded with native merchandise. It serves 17 barangays as transport byway and water source.
- Kanyawa Caves (Barangay Caamlongan)
A little farther to the east is another huge caves system recently explored by French and Italian spelunkers. The caves system consists of fifteen galleries of distinctive features and underground rivers, and numerous stalactites and stalagmites.
- Children’s Play Area and Nature Park (Barangay Bacyaran)
The first phase of the Calbiga Nature Park will also include a Visitor’s Center, Multi-purpose Pavilion, Amphitheater, Boardwalk and many more.