Located in the remote Nan River valley, the best things to do in Nan Province is surrounded by forested mountains, the Phlueng Range in the western part and the Luang Prabang Range in the east. The highest mountain is the 2,079 meter high Phu Khe in Bo Kluea District, northeast of the city of Nan towards the border with Laos. The total forest area is 7,436 km2 (2,871 sq mi) or 61.3 percent of provincial area.
Nan is one of Thailand's seventy-six provinces (changwat) lies in upper northern Thailand. Neighboring provinces are (from south clockwise): Uttaradit, Phrae, and Phayao. To the north and east it borders Sainyabuli of Laos.
Nan province has a tropical savanna climate (Köppen climate classification Aw). Winters are quite dry and very warm. Temperatures rise until April, which is very hot with the average daily maximum at 37.0 °C (98.6 °F). The monsoon season runs from late April through October, with heavy rain and somewhat cooler temperatures during the day, although nights remain warm.
Agriculture is the province's main industry, but tourism in 2016 contributed an estimated 30% to the provincial GDP. This is one of the most popular destinations for travelers.
