It is a long sloped area from the west to the east, and can be geographically divided into 3 parts. The western part is the forested and high mountains lying from the north to the south. The Lamae National Forest and Champoon Wildlife Sanctuary (Kuan Mae Yai Hmon) are located here. They are the source of three main canals in the district, which are, Lamae Canal, Sred Canal, and Duad Canal. The area is slightly lower in the east. The central area of the district is the highland with some hills. The eastern area is lowland, extending to the coast of the Gulf of Thailand. The coast is around 15 Kilometers long. There are three main water sources in the district, Lamae Canal, Sred Canal, and Duad Canal.
The district’s location is under the influence of both northeast wind from the side of the Gulf of Thailand and southwest wind from the side of the Andaman Sea. It has tropical climate with around 8 months of heavy rain. The average rainfall is around 20-50 millimeters. But in the monsoon season, the rainfall can reach 256 millimeters per day which causes flood almost every year.
Lamae District is divided into 4 subdistricts, 47 villages, as follows,
Thung Luang Subdistrict
Suan Taeng Subdistrict
Thung Salawat Subdistrict
Important natural resources in Lamae District are, for example,
- Coast on the side of the Gulf of Thailand
- Jampoon waterfall
- Hot spring in Khao Plu Cave
The main agricultural products are rubber, palm, and many kinds of fruits.
The main water resources are Lamae River, and Baan Duad Canal