COTO MINES MASINLOC ZAMBALES [updated march 2024] 

Coto Chromium Mine
Zambales, Philippines
The Coto Chromium Mine, located in Zambales, Philippines, was initially found in 1925. It was classified as a medium-sized mine in terms of its production output. The primary mineral extracted from this site is chromite, while the associated waste material consists mostly of magnetite, antigorite, and olivine. The mineral deposit spans an impressive length of 600 meters (1,968 feet), width of 300 meters (984 feet), and thickness of 80 meters (262 feet). The surrounding rock formation in this region is known as harzburgite.
It is known as the nation’s biggest deposit of refractory ore in the world. It is 27 kms of well paved and winding gravel road from Barangay Baloganon to the camp site and commuted through a transportation concessionaire plying the route Coto-Baloganon at government controlled fare. Baloganon is about 3 kms from the main national highway. Victory liner has buses on that route from manila (about 5 hrs bus ride). From baloganon, it's more than an hour before you reach the kidz swimming pools (coto mines) right at the foot of the forest. It's in the town called masinloc (2 hrs from olongapo).