BURDEOS WATERSHED: One of the few places on Polillo where old growth unlogged primary forest still exists, Burdeos Watershed is described as a reserve. However it is not afforded protection and its water pipe to supply the municipality is broken, if repaired local incentive to protect the forest would also be raised. The forest composition has similarities to sites with limestone geology e.g. Aluyon and Kalubakis. Illegal logging is the most serious threat to one of the islands' few remaining old growth forest sites.