Which tiers are worth the climb, when the water is clearest, and how to beat the tour buses. Entry is 300 THB for foreign adults, park open 8:00 AM–4:30 PM.
The colour is the thing. Erawan's pools run a flat mineral turquoise that looks retouched in photographs and barely shifts whatever the weather does.
Limestone in the water. Not filters.
Seven tiers, in ascending order of effort
Erawan Waterfall is a seven-tier limestone cascade that climbs roughly two kilometres of forested valley in Erawan National Park, Kanchanaburi. The tiers are numbered from the bottom, and the numbering is effectively a difficulty scale.
| Tier | Access | Worth it for |
|---|---|---|
| 1–2 | Flat walk from the car park | Families, tour groups, a quick look |
| 3–4 | Made path, still easy | The best swimming — wide pools, easy entry |
| 5–6 | Scrambling over roots and wet rock | Far fewer people |
| 7 | Steepest, and a real climb | The top, named for its resemblance to Erawan the three-headed elephant |
Most people who turn back do it between five and six, and it is almost always footwear. If you have time for part of it, go to four. If you want the whole thing, allow three to four hours round trip including swimming.
When the water looks best
The pools hold their colour year-round but the flow changes a great deal. Rainy season through to the end of the year gives you full, loud falls. The dry months give you clearer, calmer water and much easier footing on the upper tiers.
Our preference is the wet end of it, and it is not close — tier seven in October is a different object from tier seven in March. But if the upper tiers are the reason you came and you are not confident on wet rock, come in the dry season and accept thinner water.
Arrive at opening. Buses from Kanchanaburi town start unloading mid-morning, and the lower tiers go from quiet to crowded in about twenty minutes.
The rules, which are unusual and work
Food is not allowed above the lower tiers. Plastic bottles carried in are logged at a checkpoint with a 20-baht refundable deposit and checked against the log on your way out. You get the 20 baht back when you produce the bottle.
It sounds fussy and it is the reason there is almost no litter on a trail that takes thousands of people a week. More parks should do it.
The fish in the pools nibble. It is harmless, it is startling the first time, and there is no way to prepare anyone for it.
Getting there
The park is roughly 65 km from Kanchanaburi town. Local bus 8170 runs from the town bus station for around 60 baht and takes about an hour and a half, with departures spread through the day from about 08:00 — the useful ones for a full visit are the first two.
The alternatives are hiring a driver or riding a scooter out, and the road is straightforward either way.
For weekend visits, book ahead through the national parks reservation system at reservations.dnp.go.th. There is a daily visitor cap and walk-ins have been turned away.
What to bring
Shoes you can walk in wet. A dry bag. More water than you think, bought before the checkpoint since you cannot carry a bottle up without logging it.
Nobody has ever regretted leaving the flip-flops in the car. Several people per day regret not doing it, usually somewhere around tier five.
If you are pairing this with a rainy-season trip elsewhere, the same logic applies at Khao Yai — wet months mean full water and closed upper sections, and you choose which of those matters more.
Know before you go
| Hours | Daily 08:00–16:30. Rangers start turning people back from the upper tiers around 15:00 |
|---|---|
| Entry | 300 baht foreign adult, 200 baht foreign child. Thai nationals pay substantially less |
| Getting there | 65 km from Kanchanaburi town. Bus 8170 from the bus station, about 60 baht, roughly 1.5 hours |
| Bottle rule | 20 baht refundable deposit per plastic bottle taken above tier 2, refunded on exit |
| Best time | At opening. Water fullest June–December; footing easiest in the dry months |
| Booking | Weekends fill — reserve at reservations.dnp.go.th |
| Official sources | Department of National Parks |
Fees checked September 2026. National park fee schedules and the DNP booking portal both change without much notice — confirm at reservations.dnp.go.th before travelling, particularly for a weekend.