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Amphoe Na Noi

Na Noi
นาน้อย
Amphoe
Amphoe location in Nan Province
Amphoe location in Nan Province
Coordinates: 18°19′30″N 100°42′54″E / 18.32500°N 100.71500°E / 18.32500; 100.71500Coordinates: 18°19′30″N 100°42′54″E / 18.32500°N 100.71500°E / 18.32500; 100.71500
Country  Thailand
Province Nan
Government
 • Marshal Samai Khamchomphu
Area
 • Total 1,408.122 km2 (543.679 sq mi)
Population (2009)
 • Total 32,560
 • Density 23/km2 (60/sq mi)
Time zone THA (UTC+7)
Postal code 55150
Geocode 5504

Na Noi (Thai: นาน้อย, pronounced [nāː nɔ́ːj]) is a district (Amphoe) in Nan Province, northern Thailand.

Na Noi was originally named Wiang Si Sa Ket (เวียงศรีษะเกษ). In 1899 it became part of the province Nan. Though it was originally planned to merge Sisaket and Tha Pla into one district, in 1903 Tha Plan was integrated into Uttaradit Province. In 1917 the name of the district was changed, to avoid confusion with the Sisaket Province.

Neighboring are from the north clockwise Wiang Sa, Laos, Ban Khok (Uttaradit Province), Na Muen and Rong Kwang (Phrae Province).

The main river is the Nan River in the eastern part of the district. The Nam Haeng river, which flows through the town Na Noi to flow into the Nan further east. Upriver of Na Noi town is the Nam Haeng Reservoir.

Also in the west of the district is the Si Nan National Park, protecting the forested Phi Pan Nam mountains which separate the valleys of the Nan and the Yom rivers.

Erosion formed the strange shapes named Hom Chom, found not far north of the town Na Noi. The mounds, some rather sharp, remained when rainwater and brooks cut into the sandstone.

The eastern part of the district is located in the Luang Prabang Range mountain area of the Thai highlands.


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