Bhumibol Dam Resort — Sleep Beside the Reservoir Under Thailand's Tallest Concrete Dam
If you want a place where you open the door at dawn to still emerald water ringed by mountains, Bhumibol Dam Resort — officially the Bhumibol Dam Guest House — is an option few people outside Tak know about. It is a state-run lodge operated by EGAT (Thailand's power authority), set inside the grounds of Bhumibol Dam in Sam Ngao district — the tallest concrete arch dam in the country at 154 metres. To be straight with you: this is not a luxury resort. It is clean, quiet, and starts in the low hundreds of baht, surrounded by the kind of nature you simply cannot find in town.
Bhumibol Dam Resort is not a private hotel — it is a guest house run directly by EGAT (the Electricity Generating Authority of Thailand) within the Bhumibol Dam grounds. There are around 150 rooms spread across several lodges on the hillside above the reservoir: Phu Kaew, Hong Yok and Chid Chon. Each building has its own character, from bright white rooms with balconies to wood-floored rooms that feel like an older Thai holiday house. Guests who have stayed agree on two things — the rooms are cleaner than the price suggests, and the quiet is what they take home most.
What sets this place apart from ordinary lodging is Bhumibol Dam itself, a short walk from the rooms. Construction finished in 1964 (it began in 1958), making it Thailand's first and tallest concrete arch dam at 154 metres, holding back the Ping River. You can walk along the crest and look out over the reservoir as far as the eye can see; in the late afternoon the light turns gold across the water, and many visitors say that single view justifies the long drive. There is no entry fee to visit the dam.
We came up from Bangkok, two of us, driving through Tak town and then following the mountain road into the Sam Ngao district and the dam grounds. The road felt a little remote in the dark, but by morning we understood why we had made the trip. Our room was in the Phu Kaew lodge — nothing large, but genuinely clean: white bedding that smelled freshly laundered, a working air-conditioner, and a bathroom with no issues. The windows looked out onto trees. After checking in we walked the grounds a little — the property spreads across a hillside, with lodges at different levels among the trees, and the reservoir glimmering below through the gaps in the vegetation. There were a handful of other guests, all Thai families and a few retired couples. It was quiet in a way that Bangkok never is, even at two in the morning. Around half past six the next morning we walked up to the dam crest. From the guest house it is maybe fifteen minutes on foot, uphill through the grounds and then along a path to the top. The air was cool enough that we needed a light jacket — in the dry season this part of Tak province drops into the low twenties at dawn. Mist was sitting on the surface of the reservoir, the mountains were green and unbroken on every side, and the early sun was just coming over the ridge behind us, casting long shadows across the concrete. What we could hear was birdsong and a faint breeze — no traffic, no voices, nothing mechanical. Standing on the crest of a 154-metre concrete arch dam, looking down at the Ping River far below and out across the reservoir until the water disappeared into the distant hills, we both felt the distance from the city in a way that a beach resort never quite delivers. The room had cost us less than a thousand baht for the two of us. For that single morning on the crest alone the drive would have been worth it. Dinner that evening was simple — we had brought food in the car because the restaurant inside the grounds closes fairly early, and we sat outside the room with the trees around us and a handful of lights visible in the quiet compound. It was the kind of quiet that actually rests you, the kind where you wake up the next morning feeling like you have genuinely been away, not just relocated to a different bed. The next morning we checked out after a slow breakfast from what we had packed, walked the crest one more time as the mist was beginning to lift, watched a cormorant drop into the water, then drove back down the mountain road toward Tak town. The feeling lasted for most of the drive. We will come back, and next time we will bring the family. Everybody should see morning mist on a dam crest at least once, and very few places in Thailand offer you that view from a room that starts at five hundred baht.
There is more to do here than you might expect. The grounds include an 18-hole golf course that has been running for years, with water views and a Play & Stay package for golfers. A lakeside camping ground suits families who want to sleep closer to nature than a room allows, there are bikes for riding around the grounds, and raft trips run out across the reservoir toward the rapids further upstream. This is a place for people who want to wake up and do something outdoors, not just stay in the room.
For food and facilities, there is a restaurant and a coffee shop within the grounds, along with several meeting and seminar rooms of different sizes — corporate and group retreats are one of the property's main markets. Wi-Fi is free in the rooms, and the lodge holds SHA Plus+ certification for cleanliness and safety. One honest note: dining options inside the grounds are limited and close fairly early, so if you arrive in the evening, have a plan for dinner.
A few things to know before booking, stated plainly. The resort sits about 60 kilometres from Tak town with no convenient public transport — a private car is close to essential. Booking is handled through EGAT's own system or by phoning directly; it is not on the usual hotel apps the way a private hotel would be, so you need to plan ahead. During long weekends and the cool season (November–January) rooms fill up fast, as this is a popular spot with Thai travellers.
The bottom line: Bhumibol Dam Resort suits travellers who want a quiet lakeside stay at a budget price, surrounded by mountains, and who do not mind the lack of luxury. You get full immersion in nature plus golf, camping, cycling and the view of Thailand's tallest dam right outside. If you are looking for a spa, plush rooms or nightlife, this is not it — but if you want to escape the city and rest by the water, lodging that starts in the hundreds of baht like this is hard to find.
Summary from Booking & Agoda
- ✓ Reservoir and mountain views are beautiful and serene
- ✓ Rooms cleaner than the price suggests — from the low hundreds
- ✓ Plenty to do — golf, camping, cycling, rafting
- ✓ Walk to the dam crest for the view, no entry fee
- ! Far from town — about 60km, a car is essential
- ! On-site dining is limited and closes early
- ! Booked through EGAT directly, not on the usual hotel apps
- ✓ Lakeside nature setting you cannot get in town
- ✓ Great for families or seminar groups
- ✓ Cool, comfortable air in the winter season with mist over the water
- ✓ Strong value for a lakeside stay
- ! Some lodges are older with basic facilities
- ! Rooms sell out fast on long weekends — book ahead
- ! Mobile signal is weak in some parts of the grounds
- 💡If you don't have a car — think carefully before booking. It sits roughly 60km from Tak town with no convenient public transport → drive yourself or rent a car; it is not suited to travellers relying purely on buses or trains
- 💡If you're coming on a long weekend or in winter — phone EGAT to book several weeks ahead (055-549509 / 055-881237), because the property is not on the usual hotel apps and rooms fill fast → don't leave it to a walk-in
- 💡If dinner matters to you — on-site dining is limited and closes fairly early → bring food in the car, or plan to eat dinner in Sam Ngao town before entering the grounds