Cagayan Valley is one of the regions with the largest volumes of untapped mineral reserves which include 218 million metric tons of metallic resources and 1.4 billion metric tons of non-metallic resources.
Ang Cagayan Valley ay isa sa mga rehiyon na may malaki at hindi pa gaanong nasisimot na yamang mineral. Mayroon itong 218 milyong metriko toneladang yamang mineral na metal at 1.4 bilyong metriko toneladang reserbang di-metal.