
Phu Suan Sai National Park near Loei is a green, plateau-and-forest escape with viewpoints over layered hills and waterfalls/streams that can look misty in the wet season. Expect dramatic skies in the dry months and lush, textural greenery year-round. Access is by road; entrances are not passport/visa controlled (Thailand national parks typically require a small ticket on arrival). Arrive early for cooler light and fewer vehicles on viewpoints.

Phu Suan Sai National Park near Loei is a green, plateau-and-forest escape with viewpoints over layered hills and waterfalls/streams that can look misty in the wet season. Expect dramatic skies in the dry months and lush, textural greenery year-round. Access is by road; entrances are not passport/visa controlled (Thailand national parks typically require a small ticket on arrival). Arrive early for cooler light and fewer vehicles on viewpoints.