🔄 Updated 21 Jun 2026
If you're planning to drive from Mae Sot to Umphang, Pha Charoen is one of the first stops a lot of people make almost by accident — because it's right on the road, no turning off down some long lane. The standout is the falls themselves: cream-coloured limestone, water trickling over stacked rock that forms a natural staircase, so it looks like a thin curtain of water sliding down one tier at a time. The number of tiers people throw around ranges from about 37 to nearly a hundred, depending on how finely you count — but the gist is "a lot of tiers," enough that you can happily wander and just look.
What Pha Charoen actually looks like
The defining feature is that it's a travertine (limestone) waterfall — water carrying limestone minerals slowly builds up layer upon layer over a long time, which gives each step soft, rounded edges and a creamy colour. It isn't a tall, steep drop like the big falls up north; instead it spreads out wide, shallow and gentle, so kids can wade in. There are rock terraces and clear pools where you can soak your feet or shoot photos from plenty of angles. Water runs year-round because it comes from natural sources in the forest, though the volume shifts with the season.
- Character — a tiered limestone waterfall, wide and spread out, with cream-toned rock
- Trail difficulty — very easy, well-paved path, shaded the whole way, only about 150 m from the car park
- Swimming — shallow and gentle, good for kids and families, but the limestone is slippery, so grippy shoes are a smart idea
- Year-round water — there's water all year, but it can turn murky in the rainy season; by late in the year it runs clear but lower
Tip
Wet limestone is slipperier than it looks. If you're going to walk on the tiers to take photos, step slowly and avoid the green algae patches. Strap-back sandals or non-slip shoes help a lot.
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When the water looks best
If you want plenty of water and clear water at the same time, the sweet spot is the end of the rains heading into the cool season — roughly late October through November. There's still good volume from the rains but it's starting to clear, and the surrounding forest is bright green. Peak rainy season (June–October) brings stronger but murkier water. From December onward into the hot season the water is crystal clear but lower, so the curtain thins out. If you love the look of every tier running full, aim for the end of the year.
How to get there and entry fee
The waterfall sits beside Highway 1090 (the Mae Sot–Umphang road, on the stretch through Phop Phra), around the 36 km marker out of Mae Sot — about 40 km in all, roughly a 45-minute drive. This section isn't nearly as winding as the climb up to Umphang, so it's an easy drive, with clear signs and a wide roadside car park.
- Hours — roughly 08:00–18:00 daily
- Entry fee — currently no entry fee (there may be a small parking charge at times, so keep some cash on hand)
- From Mae Sot — drive or ride along Highway 1206 then 1090, about 45 minutes
- Onward to Umphang — from the falls you can keep driving straight on to Umphang; it's a good place to stretch your legs before the road of more than a thousand curves
Timing your day
If Umphang–Thi Lo Su is the real goal, leave Mae Sot in the morning, give Pha Charoen about an hour, then drive on — you'll reach Umphang in the afternoon without rushing, because the later stretch is winding and eats up time.
What else to see in the park and nearby
Pha Charoen shares its name with Pha Charoen Waterfall National Park, which covers forest in Phop Phra district, with other spots scattered along Highways 1090 and 1206. If you've got more time than just a quick photo stop, tack on one more.
Huai Nam Nak Hot Spring
A natural hot spring at around 60°C, inside the same park — good for a relaxing foot soak after walking the falls.
Pa Wai Waterfall
Another limestone waterfall, ringed by dense rattan forest, with a quieter feel and fewer people.
Phop Phra town
A small district town with rice shops and cafés to refuel before the climb up to Umphang.
Before you go
- Cash — signal and convenience stores are limited out here, so bring cash
- Food — the food stalls at the falls usually open only on weekends and holidays, so on weekdays pack your own water and snacks
- Shoes — wear non-slip shoes, because the wet limestone is slippery
- Trash — pack it out and help keep the pools clear for the people after you
Plan the full Tak–Mae Sot–Umphang route as one trip
See the Tak travel guide →