Khao Sok National Park

Khao Sok National Park feels genuinely old in a way that few places do. The rainforest here is estimated to be around 160 million years old, pre-dating the Amazon, and walking the trails you get a real sense of that age — towering limestone karsts rise from the canopy, strangler figs coil around ancient trunks, and the air is dense with humidity and birdsong.

It is a world apart from the beach parks further south, offering depth and wildness rather than coastal scenery.

The park's centrepiece is Cheow Lan Lake, a vast emerald reservoir roughly 100 kilometres from the park entrance at the small town of Khao Sok village. Getting out there requires a longtail boat, and most visitors stay overnight in floating bungalows moored among the karsts — a genuinely atmospheric experience, especially at dawn when mist sits low on the water.

Wildlife spotting is serious here: gibbons call at first light, macaques move through the canopy, and if you are patient and quiet on an evening kayak you may spot hornbills or kingfishers along the shoreline. Larger mammals like elephants and Malayan tapirs do exist in the park, though sightings are rare.

Getting here from Surat Thani takes roughly two hours by minivan or bus, with regular departures from the town centre. The park entrance fee is around 300 baht for foreign visitors, and most lake trips are booked through guesthouses in Khao Sok village. Trails range from easy river walks to steeper overnight routes; waterproof footwear and a dry bag are sensible given the humidity year-round.

Visit between December and April when rainfall is lower and the lake is calm enough for comfortable kayaking.