in the mountain. Tingkasan Bat Cave The bat cave is a favorite stop for tourists going to Sambawan island. The place is ideal for spelunking, diving and spearfishing. Iyusan Rice Terraces A manmade agricultural landform and tourist attraction found in Barangay Iyusan, Almeria, Biliran. See also List of islands of the Philippines References External links Biliran Island Provincial Government of Biliran Provinces of the Philippines Provinces of Eastern Visayas Island provinces of the Philippines States and territories established in 1992 1992 establishments in the Philippines Former sub-provinces of the Philippines