Tha Sala topographic map

Thailand comprises several distinct geographic regions, partly corresponding to the provincial groups. The north of the country is the mountainous area of the Thai highlands, with the highest point being Doi Inthanon in the Thanon Thong Chai Range at 2,565 metres (8,415 ft) elevation. The northeast, Isan,…

Average elevation: 156 m

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Surin lies at the center of the southern edge of the Khorat Plateau, a relatively low-lying interior region isolated from the rest of Southeast Asia by surrounding mountain ranges. The south of the province is dominated by the Dongrek mountain range, the escarpment of which demarcates the watershed boundaries…

Average elevation: 162 m

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The area of Ratchaburi province is divided into three parts. First, the border in the west which is shared with Myanmar and is about 60 kilometres (37 mi) long. The second contains the Tenasserim mountains and forests with an elevation of about 200–300 meters. The central area of the province is rich in…

Average elevation: 275 m

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Chiang Mai province is about 685 km (426 mi) from Bangkok in the Mae Ping River basin and is on average at 300 m (1,000 ft) elevation. Surrounded by the mountain ranges of the Thai highlands, it covers an area of approximately 20,107 km2 (8,000 sq mi). The mountains of the Daen Lao Range…

Average elevation: 649 m

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The province is on the Malay Peninsula, on the coast of the Gulf of Thailand. The highest elevation is Khao Mai Kaeo at 821 meters.

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The northern part of the province is in the Sankamphaeng Range, the southern prolongation of the Dong Phaya Yen Mountains, with the highest elevation the 1,292-meter-high Yod Khao Kiew. Most of that area is covered by the Khao Yai National Park, 2,166 km2 (836 sq mi), along with three other national parks,…

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