A seasonal gorge south of Pai
Written by Nolo Hub Pai
Updated by the Nolo team, November 2026
tl;dr
Pam Bok Waterfall sits in the hills south of Pai, near Ban Pam Bok.
Also known as: Pham Bok Waterfall · Pambok Waterfall · น้ำตกแพมบก
Pam Bok at a glance
- Location
- Ban Pam Bok, south of Pai, within the Lum Nam Pai Wildlife Sanctuary
- From Nolo Hub Pai
- 8.2 km; around 15–20 minutes by scooter or car
- Walk from parking
- around 100–150 metres
- Entry
- 200 THB, or 30 THB for Thai visitors — wildlife-sanctuary admission, with no vehicle fee at Pam Bok — as of September 2026
- Best for
- a short gorge walk, a swim when conditions allow, and a stop on a southern Pai day out
- Best flow
- usually during and after the rainy season
- Footwear
- sandals or shoes with grip are useful on wet rock
- Your things
- there are not many places to put them in the wet season, so leave what you can in your bike seat
- Map
- Google Maps · Apple Maps
A short path from the car park leads into a narrow rocky gorge, where water drops between steep walls of rock and thick vegetation. Once you are inside, the road and open countryside disappear. It’s cooler and darker in there, and the sound of the waterfall fills the gorge.
Pam Bok comes in two very different versions. In the hot, dry months the flow can slow to a trickle, and if you turn up expecting a full waterfall it may feel underwhelming. After sustained rain it’s a different place: the waterfall gets powerful, the rock walls echo with water and the whole gorge feels dramatic.
Neither version is a mistake. It is simply a seasonal waterfall, and knowing that before you go makes the visit much better.
Keep your Pam Bok ticket: the Sai Ngam same-day pass
Pam Bok is inside the Lum Nam Pai Wildlife Sanctuary, so your entry ticket is more useful than it first appears.
Keep it dry and do not throw it away after leaving the waterfall. It works as a same-day sanctuary pass for other visitor sites within the protected area, including Sai Ngam Hot Spring.
If you go on to Sai Ngam the same day, you only pay the vehicle fee at its gate: 30 THB for a scooter.
That can make Pam Bok a useful first stop if you’re visiting several sanctuary sites in one day. Just be realistic about the route: Pam Bok is south of Pai and Sai Ngam is north, so one ticket gets you into both, but they’re in opposite directions from town.
Ask our team to help you build a route that suits the time you have.
What Pam Bok Waterfall is like: the canyon walk vs Mor Pang
The stream runs into a narrow stretch of rock with little room for anything but the water, the path and the forest around them. You don’t admire this waterfall from far away; you walk into the gorge and stand close to it.
That’s what sets Pam Bok apart from Mor Pang, which is open, sunny and spread across several tiers. Pam Bok is enclosed and shaded, and built around one dramatic drop between the gorge walls.
When the water is running strongly, the gorge makes it feel bigger than photographs suggest. The waterfall appears suddenly at the end of the short path, and the walls hold in the sound and the spray.
When the flow is low, the same gorge is quieter. You can still enjoy the cool shade, the rock walls and the walk in, but go with realistic expectations.
Swimming at Pam Bok Waterfall, wet rock, and rain
When conditions are calm, visitors may swim in the pool beneath the waterfall. Check the water carefully before getting in.
Depth changes with rainfall, and rocks, branches, or debris can sit below the surface. Wet stone around the gorge can also be slippery. Do not assume that a spot is safe to jump because someone else has done it before you.
Take extra care with heavy rain. Pam Bok is a narrow gorge, and water can come down from higher in the catchment even when it isn’t raining directly above you. If there has been significant rain, check whether the sanctuary is open and reconsider going into the gorge. Stronger flow can be spectacular, but it can also make the waterfall unsafe.
Past the steel walkway, the gorge narrows to under four metres and the walls are vertical, so there is no way out to the side. If the water starts rising or gets muddier while you are inside, leave straight away.
Enjoy the water when it’s calm, and leave it alone when you’re not sure.
Best time of day to visit Pam Bok Waterfall: avoiding the busy moments
Pam Bok can be peaceful, but it can fill up quickly. The gorge is compact, so when tour trucks or several groups arrive together there isn’t much room around the pool and the atmosphere changes fast. That’s no reason to skip it, but timing matters more here than at a wide, open site.
For a quieter visit, go earlier in the morning or later in the afternoon. If you arrive just after a group has entered, give it a little time. People often move through the gorge quickly, and the place can feel completely different 20 or 30 minutes later.
The Pam Bok landscape: Ban Pam Bok and the Kho Ku So Bamboo Bridge
The waterfall is part of a wider landscape of forest, streams, farmland and village life.
Ban Pam Bok is a Tai Yai community with long-standing agricultural, religious, food, and craft traditions. Nearby, the Kho Ku So Bamboo Bridge crosses rice fields towards a forest monastery. The village, the fields, and the waterfall all belong to the same southern Pai landscape.
You don’t need to squeeze every nearby stop into one afternoon, but seeing how they connect makes each place more interesting.
Making a day of it south of Pai
Pam Bok goes well with other places south of Pai:
- Kho Ku So Bamboo Bridge for a slower walk through rice fields
- Pai Canyon later in the day for sunset
It’s a short walk, but not always a short visit. Go in the rainy season if you want to see the waterfall at its most powerful, though not straight after a heavy downpour: when the rain is extreme, the sanctuary may close the waterfall for safety. Go in the dry season for a quiet walk through the gorge, knowing the flow may be low. Keep your sanctuary ticket, watch the weather, and give yourself enough time to take the place in, not just photograph it.
Quick answers
How much is the entry fee for Pam Bok Waterfall?
Pam Bok Waterfall is inside the Lum Nam Pai Wildlife Sanctuary. Admission is 200 THB for foreign adults, or 30 THB for Thai visitors. Unlike Sai Ngam Hot Spring, there is no vehicle fee at Pam Bok because the ticket booth sits beside the car park after you have already parked.
Does a Pam Bok Waterfall ticket cover Sai Ngam Hot Spring?
Yes. Keep your date-stamped Lum Nam Pai Wildlife Sanctuary ticket — it works as a same-day pass for Sai Ngam Hot Spring in either direction. If you go on to Sai Ngam the same day, you only pay the 30 THB scooter fee (or 60 THB for a car) at Sai Ngam’s gate. Just plan your route with the map in mind, as Pam Bok is south of Pai and Sai Ngam is north.
Can you swim at Pam Bok Waterfall, and when is the best time to visit?
You can swim in the pool beneath the waterfall when conditions are calm, though you should always check the water depth for submerged rocks or branches first, and don’t assume a spot is safe to jump because someone else has. Flow is strongest during and after the rainy season, and slows to a trickle in the hot dry months. Do not enter the narrow gorge straight after heavy rain: water can rise quickly between the vertical walls, and when rain is extreme the sanctuary may close the waterfall for safety.
How far is Pam Bok Waterfall from Pai, and how long is the walk from the car park?
Pam Bok Waterfall is 8.2 km from Nolo Hub Pai (around 15–20 minutes by scooter or car south of Pai, near Ban Pam Bok and the Kho Ku So Bamboo Bridge). From the parking area, it is a short 100–150 metre walk into the gorge. Wear sandals or shoes with grip for wet rock, and in the wet season leave what you can under your bike seat as there are not many places to put bags inside the gorge.
