Heo Sai Waterfall. The Sanam Sai stream, runs through the forest before cascading over the cliff to a pool 20 metres below. Beneath the waterfall, there is a big rock shelter roomy enough for camping.

Travel all year round

For more information, please contact: Nam Nao National Park 081-9626236,056-810724

Phetchabun Provincial Tourism and Sports Office 056-737094-5
TAT Phitsanulok Office (Phitsanulok, Phetchabun, Phichit) 055-259907, 055-252742-3
TAT Call Center 1672