Pinsal Falls, considered as the largest and grandest waterfalls in Ilocos Region, are located in a narrow gorge in Barangay Baballasioan of Santa Maria. Pinsal is a group of plunge and cascades waterfalls falling from a 300-ft wide irregular shaped river ledge the highest of which is a drop of about 85 feet (26 m). Upriver are several smaller falls with their own natural pools. Behind the cascading water of the main falls is a hidden cave where one can swim from. Another tall waterfall is located at the southern ledge.