What you need to know about Dan Sai
Dan Sai is a district in the western part of Loei Province, northeastern Thailand. The source of the Pa Sak River is in the mountains in the eastern part of the district. A big part of the district is part of the Phu Hin Rong Kla National Park. Phu Thap Buek, the highest mountain of the Phetchabun Range, is at the southern end of the district. To the southeast is the Phu Luang Wildlife Sanctuary.