Travel Guide: Laswitan in Cortes, Surigao del Sur The Philippines is an archipelago surrounded by numerous bodies of water, both big and small. With so much geological diversity, it might surprise you to see a special feature you have never seen elsewhere in the country. One such place is the Laswitan Falls and Lagoon, located in Cortes, Surigao City, Surigao del Sur. This waterfall is so unique that it receives a huge number of tourists from nearby towns and from all over the country. I’m pretty sure you’d be joining the crowd once you read about it, too. Rock formations and lagoons... The Laswitan Falls and Lagoon is actually a unique 20-foot rock formation located near the shore in Cortes. This geological feature creates three NATURAL basins so that when the surf becomes high, the huge waves would flow and spill into the main basin on the other side, thus cre...