
The demolition team of about 100 forestry officials will be led by DNP director-general Damrong Pidej, the national park's chief Thewin Meesap said.
Two of the homes are located in tambon Udomsab in Nakhon Ratchasima's Wang Nam Kheow district, while the third is at tambon Bubhram in Prachin Buri's Na Di district.
In the next two months, the Royal Forest Department will also demolish luxury resorts and private houses found encroaching on the Phuluang forest reserve.
The department recently called on the owners of the homes and resorts to present documents proving their ownership, but so far nobody has shown up, Suthep Pawaretwittayalan, chief of the Nakhon Ratchasima provincial forest management division 8, said.
Previously, the Royal Forest Department had thought that some 37 luxury homes might be encroaching on reserve land, but after close inspection it decided that only 17 of the structures were illegal.