The Khao Khiao mountain range stretches from the north-west to the south-east of the province, while the fertile plains of the north were long used for farming.
Khao Lak | Khao Sam Roi Yot National Park | Khao Yai National Park | Khao Sam Muk | Khao Manee | Khao Khiao | Khao |
During the Vietnam War there was a US military Air Defense Radar Station of the 621 TCS Tactical Control Squadron, at the top of Khao Rom, also known as Khao Khiao, the highest summit of the range.