Khao Luang National Park

Khao Luang National Park protects the highest peak in southern Thailand — 1,835 metres — along with the rainforest and waterfalls covering its slopes above Nakhon Si Thammarat town. Entry is 200 THB for foreign visitors, 40 THB for Thai nationals, and the park gate on the Ban Khiri Wong side opens daily from 08:00 to 16:30.

Most visitors never reach the summit itself — that’s a three-day, two-night trek with a mandatory registered guide, booked through the park office in advance. What draws day-trippers instead is the network of shorter trails radiating from Ban Khiri Wong village at the mountain’s base: forest paths to waterfall pools, orchard walks through the durian and mangosteen groves the village is known for, and streams running fast enough to hear before you see them. Dipterocarp trees tower over the lower trails, their trunks disappearing into cloud on wetter mornings, and the air carries the smell of wet leaf litter rather than anything ornamental. Dusky langurs move through the canopy in the quieter stretches, and hornbills are a realistic sighting if you’re out early.

Watch out: the summit trek is genuinely demanding — three days of steep, muddy jungle terrain, cold nights at altitude, and leeches that show up in numbers during the rainy months. It is not a casual add-on to a Nakhon Si Thammarat trip; budget several days and book a guide well ahead through the park office. If you just want a taste of the mountain, stick to the day trails near Ban Khiri Wong.

Insider Tip: Go in the cool season (November-February) if the summit trek interests you — trails are driest, visibility on the ridge is best, and leech numbers drop off sharply compared to the wet months. For a shorter visit, the lower sections of Ai Khiao and Phrom Lok waterfalls near the village need no permit or guide and can be done in under two hours.

Krung Ching Waterfall, the park’s most photographed cascade (it once appeared on the 1,000 THB banknote), is technically inside the same national park boundary but sits on the far side of the mountain in Nopphitam district — over an hour’s drive from Ban Khiri Wong, with its own separate entrance and fee. Treat it as a different day trip rather than something to combine with the Ban Khiri Wong side.