Passi Cave is located in Igbaras, Iloilo. Known as the bat cave, the Passi Cave is home to different sizes of bats, and has a large deposit of guano, a first class organic fertilizer. It is located a kilometer away from barangay Passi trailing along Tangyan River. Igbaras is bounded on the north by the Municipality of San Remegio of the province of Antique; east by the Municipality of Tubungan, Iloilo ; west by the Municipality of Miag-ao, Iloilo; south by the Municipality of Guimbal, Iloilo. To get to the Passi Cave, take a jeepney at the Don Benito Q. Acap Sr. Southern Iloilo Perimeter Boundary Terminal in Barangay Mohon, Oton, Iloilo. Metered taxis are also available at the terminal.