1 - Tham Sakoen National Park
2 - H'Mong Hill Tribe village
3 - Tad Man Waterfall
4 - Thai-Lao norder market
5 - Hauy Kon Khao battlefield (communist guerrilla during Vietnam war)
6 - Phu Phayak agro-tourism project / Communist Museum
7 - Nan river water spring
8 - Khun Nan National Prak
9 - Ancoent mountains salt wells
10 - Doi Phu Kha National Park
11 - Wat Nong Bua temple
12 - Thai-Lue Ethnic village
13 - Nan Riverside Art Gallery
14 - Forest Park Tham Pha Tup
15 - Hill Tribe villages
16 - Mae Charim National Park, rafting on the Wa river
17 - Si Nan National Park,
18 - Sao Din Na Noi
19 - Khun Sathan National Park
20 - Pak Nai fisherman village
Here you can find some info about Nan Province
Tripadvisor Thung Chang (Nan province)
Wikipedia Nan Province
Lonely Planet Nan Province
T.A.T Nan Province
Travelfish Nan Province
Tripadvisor Nan Province
GT Rider Nan Province
Wikitravel Nan