🔄 Updated 21 Jun 2026
Phrom Lok is one of the first waterfalls locals think of when they want a quick swim close to home. It sits in Ban Ko subdistrict, Phrom Khiri district, north of the city, inside Khao Luang National Park like several other well-known falls in the province. What stands out is that it's both big and close — about half an hour's drive from town gets you to the trailhead, and a short walk in brings you to wide rock platforms and clear pools you can wade into.
Why Phrom Lok is worth the trip
Phrom Lok's appeal is that it's "big and close." The falls have broad slabs of rock with water stepping down in tiers — some stretches are shallow pools you can sit and soak in, others are curtains of water dropping from high cliffs. All around is the shady evergreen forest of Khao Luang, so the air stays cool all day. Best of all, you don't have to hike deep into the jungle: park the car, walk a few minutes, and you've reached the lower tier where you can swim.
Something many people don't know is that Phrom Lok carries historical significance too. In 1959, King Rama IX and Her Majesty the Queen visited this waterfall during their first trip to Nakhon Si Thammarat, and the royal initials are inscribed on a rock at one of the tiers. That's why locals here feel a special attachment to the place.
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What the waterfall tiers are like
Phrom Lok is said to have around 50 tiers climbing all the way up to the headwaters on Khao Luang, but the part actually open to visitors is the lower stretch — roughly the first four tiers, each named with the southern Thai word "nan" (meaning a level of a waterfall). Each one looks different: the lower tiers are wide pools that are easy to swim in, while the upper tiers take a bit more walking and some can only be reached with a ranger guide.
- Nan Wang Bo Nam Won (Tier 1) — the lowest tier near the trailhead, with wide rock platforms and the royal initials inscribed on the stone. It's the first spot you reach, but parts of it have whirlpools, so check the warning signs and only swim where it's permitted.
- Nan Wang Mai Pak (Tier 2) — a little higher up, clear water running over boulders, reached by following the nature trail in.
- Nan Wang Hua Bua (Tier 3) — a mid-level tier with smooth, attractive rock and clear pools, a photo spot many people love.
- Nan Wang Ai Le (Tier 4) — the highest tier open to visitors, a longer walk but quieter and prettier.
Straight talk
Some of the prettiest tiers are only open when a ranger leads a guided walk at set times during the day. If you want to do all the tiers, ask about the guided-walk schedule at the office first — you won't miss out, and it's safer than heading up on your own.
Where you can swim, and how safe it is
The main swimming spot is the shallow pool around the lower tier. The wide rock platform makes it comfortable to sit and soak, and the water is clear and cold, coming straight off the Khao Luang headwaters. In the hot season the water sits still and clear, just right for swimming. But understand that Phrom Lok is a big waterfall — the rock platforms are broad and some spots have whirlpools, so the park has posted signs banning swimming at certain dangerous tiers. Only swim where it's allowed and where the water is genuinely shallow.
Safety
The rocks by the falls are very slippery from algae, so wear shoes with good grip. Don't push your luck swimming where there are warning signs or whirlpools. In the rainy season the water rises faster and harder than it looks — if it's murky or running unusually strong, just sit and watch; it's safer that way.
The nature study trail
Beyond swimming, Phrom Lok has a nature trail running alongside the stream up to the higher tiers. It isn't a long walk, passing through evergreen forest with big trees, ferns, and a clear stream the whole way — you get the shade and cool air plus the sound of water and birds. It suits people who'd rather take an easy walk than only swim. Parts of the trail leading to the inner tiers open in scheduled sessions and require a ranger, which keeps the walk safe and teaches you about the forest along the way.
- Just want to swim — stop at the lower tier near the trailhead; a few minutes' walk gets you to the pool.
- Want to walk and see nature — take the nature trail alongside the stream up to the higher tiers, cool and shaded the whole way.
- Want to go all the way up — check the ranger-led walk schedule at the office first; some tiers open at set times.
How to get to Phrom Lok
Phrom Lok is in Phrom Khiri district, only about 25 kilometres from Nakhon Si Thammarat town. Driving yourself is the easiest option and takes around 30–40 minutes: head out of town toward Phrom Khiri, then take Highway 4132 up the hill a little further. The final stretch is a shady road hugging the mountain, a nice drive. The upside is that this route has songthaews (shared pickup taxis) running from town into Phrom Khiri, so if you don't have your own ride, you can take a songthaew and then arrange a lift for the last bit.
- Private car — the easiest; there's a parking lot at the office before you walk in to the falls.
- Songthaew from town — runs into Phrom Khiri, cheap, though you may need to arrange another lift for the last stretch.
- Chartered car / taxi — good if you're a group or don't want to drive; ask for a round-trip price in advance.
Entry fees and opening hours
The falls are inside Khao Luang National Park, which charges the standard park rates: roughly 40 THB for Thai adults, 20 THB for children; 200 THB for foreign adults, 100 THB for children; plus about 30 THB per car and 20 THB per motorbike. The nice part is that one ticket gets you into every waterfall and cave in the Khao Luang area on the same day. It's open roughly 08:00–16:30 daily. Rates can change, so double-check with the staff at the gate.
When's the best time to go
The hot season, around February to April, has clear, still water that's just right — swimming is fun and safer because the water isn't running hard. This is when most people come to cool off. The rainy season, around May to December, has plenty of water and the falls at full force look great, but the paths are slippery and on some days the water runs so high you can't swim. If you're going in the rainy season, pick a day that hasn't had several days of heavy rain in a row.
Where to stay and eat
Phrom Lok's advantage is being close to town, so it's easy to go in the morning and head back to sleep in Nakhon town in the evening. Around Phrom Khiri itself there are made-to-order eateries and local spots at the foot of the hills with friendly prices, focused on fresh southern Thai food, plus a few small cafés with a nice atmosphere on the way up the hill worth a stop. It's worth bringing your own water and snacks, since there aren't many shops near the falls.
Morning out, back by evening
Just half an hour's drive from Nakhon town — swim, then head back into town for dinner with ease.
Pair with Ban Khiriwong
Visit Phrom Lok in the morning, then carry on to Khiriwong village on the other side of Khao Luang — nature lovers will like it.
Add Krung Ching Waterfall
If you have a few days, one Khao Luang ticket covers both Phrom Lok and Krung Ching.
What to prep before you go
- Grippy shoes — the rocks by the water are very slippery; sneakers or non-slip rubber shoes beat flip-flops.
- Spare clothes and a dry bag — if you plan to swim, pack a change of clothes and something to keep your phone dry.
- Water and snacks — there are few shops near the falls, so it's safer to bring your own.
- Read every warning sign — only swim where it's allowed and avoid tiers with whirlpools or no-swimming signs.
- Go before noon — you'll have time to walk and swim before the park closes in the evening.
Plan a full nature trip around Nakhon town
See the Nakhon Si Thammarat travel guide →