Why should you go there and how do you do it right?

Than Sadet-Ko Pha-Ngan National Park covers a large part of Koh Phangan's interior and coastline, preserving dense tropical rainforest, impressive waterfalls, rugged mountains, and sheltered bays largely untouched by mass tourism. The park holds particular historical significance, having been visited by several Thai kings. Than Sadet Waterfall—after which the park is named—bears royal inscriptions carved into the rocks along its banks.

Visitors can expect a truly wild and intense natural landscape – a stark contrast to the bustling beaches in the rest of the island. Hiking trails wind through the jungle to viewpoints and waterfalls, while the coastline within the park boundaries offers tranquil, reef-fringed bays that are well worth the effort. The atmosphere is peaceful and relatively quiet, making the park an attractive option for travelers who prefer nature to nightlife.

The park is open daily from 8:30 a.m. to 4:30 p.m. An early start is therefore advisable to take advantage of the cooler morning hours and avoid the midday heat. Sturdy footwear is recommended for the hiking trails. Visitors should also bring water and sunscreen. Some areas of the park are most easily accessed by motorbike or as part of an organized tour, as the roads into the interior can be steep and rough. It is recommended to check conditions during the rainy season (approximately October to December), as heavy rainfall can affect trail accessibility.