Armthong Resort — a mountain-view resort with a saltwater pool in Phrommani that's the easiest on the wallet in Nakhon Nayok
If your Nakhon Nayok trip is all about a quiet mountain-view stay with a pool to cool off in, clean, for just a few hundred baht, Armthong Resort is a sensible pick. It's a small resort in the Phrommani area of Mueang Nakhon Nayok, with mountain views, close to the Royal Thai Military Academy (JCSC) and Khao Cha Ngok Golf Club. The things guests mention most are the new, spacious, clean rooms, the very low price, and the saltwater pool and BBQ grills. There's a big house for families and groups too. It's about a two-hour drive from Bangkok. It scores 8.1 across Booking and Trip.com reviews, from approx. ฿650/night.
Armthong Resort — Armthong Resort, in Thai — is a small resort in the Phrommani area, on the Mueang Nakhon Nayok side, opened around 2020 so it's still fairly new. Its appeal isn't luxury; it's a quiet atmosphere with mountain views, an outdoor saltwater pool, and a location near the Royal Thai Military Academy and Khao Cha Ngok Golf Club that puts Nakhon Nayok's nature spots within easy reach. There are about 22 rooms, and many reviews describe it as feeling like a private, peaceful garden stay rather than a typical hotel — calm, well kept, and good value at the few-hundred-baht price point.
Rooms come in several shapes, from Eco and Model rooms for couples, a Triple Room for three, up to a large house like Home Blue with two bedrooms, two bathrooms, a living room and kitchen. Most reviews say the rooms are new, spacious and clean, and genuinely good value at this price. They come with air-con and a flat-screen TV, and some have a balcony or terrace looking out over the garden and the hills. If you're in a big group or a large family, the Home Blue house is the sensible pick — it has its own front yard and roomy parking, so you all stay together privately; for couples or smaller numbers, an Eco or Model room is plenty and lightest on the wallet.
"New place, spacious clean rooms, lovely mountain views, quiet and private. There's a pool to swim in, and it's great value for the price. Convenience stores and some food spots are close by too."
What guests praise most is the value and the cleanliness of the rooms — many reviews call them new and larger than expected for a few hundred baht, with the mountain views making the setting feel easy on the eye. Another highlight is the outdoor saltwater pool, which kids and families love, and the BBQ grills for an evening cookout. There's also a gym, free bikes to ride around the resort, and a table-tennis room, so there are easy things to do on site without driving anywhere. Plenty of groups buy food from the nearby convenience store and grill in the garden — guests say it's a fun, atmospheric part of the stay.
Location is one of this place's real advantages. In the Phrommani area, it's less than a kilometre from the Royal Thai Military Academy (JCSC) and Khao Cha Ngok Golf Club, with convenience stores like Lotus and 7-Eleven and roadside eateries not far away. From here it's around 20–30 minutes' drive to Khun Dan Prakan Chon Dam, Sarika–Nang Rong Waterfalls and Wang Takrai, making it a handy base for Nakhon Nayok's nature spots without being far from town. The trade-off is there's no ride-hailing out here, so this suits self-drivers more than anyone relying on public transport.
To be straight with you, there are things to keep in mind. At a few-hundred-baht price, the facilities and service are small-resort scale, not a big hotel with staff on hand around the clock. A few reviews note some rooms could be cleaned more thoroughly, and there have occasionally been refund-process hiccups to chase up — a minority view. Breakfast is simple, refuelling before you head out rather than a big buffet. And, as noted, getting around is hard without a car since it's out of town with no direct public transport. This is honest feedback from real reviews, and it reflects a budget mountain-view resort that leans on value and atmosphere rather than big-resort breadth of service. Even so, the majority of voices are clearly positive — especially on price, cleanliness, the pool, and the mountain views.
Overall, Armthong Resort suits anyone after a quiet, clean, few-hundred-baht mountain-view stay with a pool that works as a base for Khun Dan Dam and the Nakhon Nayok waterfalls. If you weigh value, new clean rooms, a pool for the kids, easy activities like bikes and BBQ, and a big house for groups more than full-service breadth and a fancy breakfast, it does that job well at a very easy price. It's an especially good fit for families and groups of friends who drive themselves.
A tip from reading through the reviews: if you're in a big group, book the Home Blue house (two bedrooms) and use the front yard for an evening BBQ — buy food from the nearby convenience store; it's a great-value, fun highlight. If you want the best mountain views, ask for a room or house facing the hills when you book. Borrow a bike for a ride around the resort in the cool of the evening, and don't skip the saltwater pool. Come in late rainy season (Aug–Oct) when Khun Dan Dam and the waterfalls run full and look their best — but always check the weather and safety before swimming.
Summary from Booking & Agoda
- ✓ New, spacious, clean rooms — great value for a few hundred baht
- ✓ Lovely mountain views, quiet and private
- ✓ A saltwater pool that kids and families love
- ✓ Close to convenience stores and roadside eateries
- ! Some rooms could be cleaned more thoroughly
- ! Simple breakfast, not a big buffet
- ! No direct public transport — you need to self-drive
- ✓ Excellent value — starts at a few hundred baht with breakfast
- ✓ Quiet, private mountain-view atmosphere
- ✓ A big Home Blue house — great for groups/families
- ✓ Free bikes, gym, table tennis and BBQ grills
- ! Occasional reviews about chasing the refund process
- ! Out of town — a car is essential
- ! Long-weekend prices climb — compare a few platforms
- 💡If you expect full service like a big hotel — this is a small resort with limited staff and facilities → it suits guests who value price and the mountain-view setting more than full-service breadth.
- 💡If you don't have your own car — it's in the Phrommani area outside town, with no direct public transport → it suits self-drivers here for the dam and waterfalls more than anyone relying on public transport.
- 💡If you're particular about deep cleaning — a few reviews note some rooms could be tidier → check the room at check-in and let staff know straight away if you'd like more done.