The Postcard Charm of Iriga Fondly Called The City of Crystal Springs

It is one of the interconnected volcanic “breathers” in Bicol region comprised of at least 12 volcanic vent structures and complexes referred to as the “The Bicol Volcanic Arc”. Mt. Iriga is one of the three historically active, the other two being Mayon and Bulusan, and is considered the least active center of the arc having only two known recorded eruptions in historic times.