🔄 Updated 21 Jun 2026
The picks, ranked
Erawan Falls (Kanchanaburi)
A seven-tier limestone waterfall with emerald-green pools that many call Thailand's prettiest, with easy lower tiers where soft-finned carp swim and you can take a dip. The upper tiers 4–7 get steep, so wear grippy shoes and arrive early to beat the crowds; the pools are fullest from the rainy season into early winter.
Thi Lo Su (Umphang, Tak)
Thailand's largest waterfall, a wide curved curtain deep in the Umphang forest that instantly repays the long journey in. The gravel road closes in the rains (Jun–Sep); the sweet spot is Nov–Dec when it's still full and reachable, but you'll want a 4WD and patience for the winding drive.
Khao Yai Falls — Haew Suwat & Haew Narok (Nakhon Ratchasima)
Waterfalls inside the Khao Yai world-heritage forest — Haew Suwat is the famous one seen in the film The Beach, while Haew Narok is the park's tallest drop. They're full and the forest is green from the rains into early winter; go early and you may spot wildlife along the road in.
Emerald Pool & Hot Waterfall (Krabi)
A whole day of soaking in one spot: the clear green Emerald Pool in the Khlong Thom forest, then the nearby Hot Spring waterfall that tumbles into warm natural tubs. The pool is clearest in the morning before it fills up; wear strap sandals for the short forest walk in.
Krung Ching (Nakhon Si Thammarat)
Its 'Nan Fon Saen Ha' tier is the very waterfall pictured on the 1,000-baht banknote, spraying down a tall cliff deep in the Khao Luang rainforest. It's a few kilometres in on a nature trail and best in the rains — bring good shoes and leech socks.
Chet Sao Noi Falls (Saraburi)
A gentle seven-tier waterfall at Muak Lek where clear water slides over flat rock ledges you can wade and sit in — easy for families and first-timers. It's a day trip from Bangkok; come from the rains into early winter for good flow, and weekdays are much quieter.
Namtok Phlio (Chanthaburi)
An easy walk-in waterfall with clear pools full of big soft-finned carp circling below, set in a shady forest park in Chanthaburi. There's a historic King Rama V stupa nearby — go in the morning and pair it with the town's famous fruit afterward.
Ton Nga Chang (Songkhla)
A seven-tier waterfall near Hat Yai whose signature tier splits into two streams like an elephant's tusks — hence the name — with cool, clear water to swim in. It's an easy trip from town and best in the late rains and early winter; the upper tiers get steep, so save energy and wear grippy shoes.
Chae Son National Park (Lampang)
A waterfall and hot springs in one park — boil eggs in the hot pool, soak in the mineral onsen, then cool off under the falls. It's pleasant year-round and magical in winter when the steam rises; there's camping and park lodging if you want to stay over.
Klong Plu Falls (Koh Chang, Trat)
The biggest waterfall on Koh Chang, reached by a short forest walk to a clear pool beneath a tall cliff you can swim in. Stay on the island and drop by in half a day; it's fullest from the rains into early winter, so bring water shoes.
Saeng Chan Falls / 'Waterfall Through the Hole' (Ubon Ratchathani)
An unusual waterfall where the stream pours through a hole in the rock in a single column — hence its nickname 'the waterfall through the hole' — out in the Pha Taem area by the Mekong. It only runs in the rains (roughly Aug–Oct); combine it with Sao Chaliang, Sam Phan Bok and Pha Taem in one trip.
Chet Si Falls, Phu Wua (Bueng Kan)
A waterfall where a thin sheet of water spreads across a wide rock face and catches the sun in shifting colours — hence the name 'Seven-Colour' — in Bueng Kan's Phu Wua forest. It only looks its best in the rains, with morning light bringing out the colours; pair it with the nearby Naga Cave.
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