Klong Plu Waterfall
Koh Chang's Biggest Falls

🔄 Updated 21 Jun 2026

Klong Plu Waterfall (Klong Plu / Khlong Phlu) sits inside Mu Ko Chang National Park, in the middle of the island's west side, near Klong Prao Beach and Kai Bae Beach. It's the tallest waterfall with the most water on Koh Chang — the stream drops from a cliff around 10 metres high into a large pool below where you can swim. Its big draw is how easy it is to reach: the walk is short, which is why almost every Koh Chang trip ends up stopping here.

The walk in — is it hard?

From the car park by the park checkpoint, it's about 500–600 metres in, roughly 10–15 minutes. The path is mostly paved and flat, with steps and handrails on the steeper bits, and it runs alongside the stream the whole way, with signs about the local plants and wildlife. Most people manage it easily — kids and adults don't need to be fit to do it. But some sections get slippery on the rocks, especially in the rainy season, so wear shoes with good grip.

• Distance — around 500–600 metres from the car park to the falls, about a 10–15 minute walk
• Path condition — mostly paved and flat, with steps and handrails on the steep parts; a few slippery rocks
• Along the way — follows the stream, with nature signs and shade from the jungle on both sides
• The longer nature route — there's a longer trail of about 1.5 km, steep at the start and end, good for people who actually like hiking — but it's slippery and you'll often hit spiders and webs across the path

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The pool — can you swim, and how deep is it?

Below the falls is a big pool you can genuinely swim in — clear and cool all year. The depth isn't even across the pool: some spots are knee-deep and fine for kids, others are deep enough to swim or jump into. The water's so clear you'll see carp swimming all over the place. If you're going in, stick to where lots of other people are swimming — it's safer because you know which spots are shallow and which are deep.

Entry fees, opening hours, and parking

• Thai entry — adults 40 THB, children 20 THB
• Foreigner entry — adults 200 THB, children 100 THB
• Parking — cars around 40–50 THB, motorbikes around 20 THB
• Opening hours — roughly 08:00–16:30 daily (aim to arrive before early afternoon so you have time to walk and swim)

The entry fee is a national park fee and may change by official notice. Bring some cash with you, since the checkpoint may not have online payment at every point.

Getting to Klong Plu Waterfall

The waterfall is in the middle of the island's west side, closest to Klong Prao Beach. From the Klong Prao Bay community, drive along the road towards Kai Bae Beach for about 3 kilometres, then turn into the side road for another 2 kilometres or so to reach the KC4 (Klong Plu) park ranger station. There's a car park by the checkpoint, and from there you walk in to the falls.

What to bring

• Swimwear + towel — if you plan to get in the pool, bring them; there's no fancy changing room
• Closed, non-slip sandals — the rocks on the path and in the water are slippery, and flip-flops can come off
• Mosquito repellent — it's jungle, with plenty of mosquitoes and bugs, especially in the evening
• Your own water and snacks — there's no food at the falls themselves, so stock up at the entrance or bring it from your place
• Dry bag + a bag for rubbish — keep your phone and bag dry, and take your rubbish back out to help keep the falls beautiful

When's the best time to visit Klong Plu?

Klong Plu flows all year, but the water is fullest and most impressive from late rainy season into early winter, roughly October to January — strong flow and a full pool. In the dry season, around March to May, the water drops and the pool gets shallower; still swimmable, just not as dramatic. If you come in heavy rainy season, check the weather first, as flash floods can make the flow strong and the paths slippery.

What else to do near Klong Plu