Located at Brgy. Rizal II, Oquendo District. Nature gives its life in the form of fresh crustaceans (pokot) of red appearance which ordinarily resembles the tint of a scalded shrimp. As the name suggests, (Mapaso literally means hot) it is a hot spring with the consistency of a boiling water.
Mapaso Hot Spring is one of the most popular and most visited hot springs in the region. Mapaso literally means hot or warm crustacean abounds. This hot spring has got an appearance of naturally pinkish that resembles the scalded shrimps. This is situated right amidst the Barangay Rizal II of Calbayog City. Because of the presence of this hot spring, it is considered that there is a possibility of an active volcano in the area. This is really a great place to visit for experiencing some really amazing phenomena called hot spring that too at a very scenic backdrop.