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Chai Nat & Nakhon Sawan
2 Days Along the Chao Phraya

Chai Nat and Nakhon Sawan sit next to each other on the Chao Phraya River, just an hour's drive apart, so it's easy to pair them into one trip. The theme here is temples, birds, and rivers: start at the Chao Phraya Dam and the bird park in Chai Nat, then head north to the source of the Chao Phraya at Pak Nam Pho in Nakhon Sawan, and finish at Bueng Boraphet, the largest freshwater lake in Thailand.

🚗 2 days, 1 night by car🦜 Birds and rivers🙏 Riverside temple stops
Chai Nat & Nakhon Sawan 2 Days Along the Chao Phraya

🔄 Updated 21 Jun 2026

If you want to explore the upper central plains of Thailand without rushing, Chai Nat and Nakhon Sawan make a good pair. The two share the same Chao Phraya River: Chai Nat sits downstream, while Pak Nam Pho in Nakhon Sawan is where the Ping, Wang, Yom, and Nan rivers merge to form the very source of the Chao Phraya. The two town centers are about 50–60 km apart, an hour's drive, which makes a relaxed 2-day, 1-night trip fit perfectly.

This plan suits people who like riverside scenery, enjoy watching birds, and don't mind stopping at a temple or two along the way. We've kept day one on the Chai Nat side and crossed over to Nakhon Sawan on day two before driving back. If you're coming from Bangkok, take Phahonyothin Road straight into Chai Nat first — it's about two and a half to three hours.

Two-day route overview

  • Day 1 (Chai Nat) — Chao Phraya Dam → Chai Nat Bird Park → Wat Thammamun → overnight in Chai Nat town
  • Day 2 (Nakhon Sawan) — drive north to Pak Nam Pho → Wat Woranat Banphot (Wat Khao Kop) → Pasan, the source of the Chao Phraya → Bueng Boraphet → drive home
  • Total distance — under 40 km looping around Chai Nat on day one, about 55–60 km from Chai Nat to Nakhon Sawan on day two, then the drive back

Before you set off

Driving yourself is by far the easiest way to do this trip, since the sights are spread out along the river and outside the towns. Public transport between the two provinces is limited and awkward to connect. If you don't have your own car, rent one in Bangkok or in Nakhon Sawan, which is the bigger city and easier to find rentals.

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Day 1 — Chai Nat: the dam, the bird park, the river

Day one stays on the Chai Nat side all day. The highlights are the Chao Phraya Dam, Thailand's first water-diversion dam, and Chai Nat Bird Park with its large walk-through aviaries. The two are close together, so you can cover both in a single day without rushing.

Day 1

Chai Nat along the Chao Phraya

08:30
Leave your accommodation / arrive in Chai Nat, grab breakfast in townIf you're coming from Bangkok, set off a little early so you can avoid the midday heat while walking the bird park
09:30
Chao Phraya Dam — stroll along the crest and shoot river viewsThailand's first water-diversion dam. In the morning the sun isn't harsh yet and the breeze makes for an easy walk
11:00
Drive into Chai Nat Bird Park — walk the large aviary plus the fish tunnelEntry is around 60 THB for adults and 25 THB for children; Chai Nat residents get in free. There's an aquarium zone and a water park in the same spot
13:00
Break for lunch at a restaurant in town or by the riverChai Nat is known for river fish and boat noodles; look for a grilled-fish or river-fish spot
14:30
Wat Thammamun Worawihan, an old riverside temple at the foot of a hillNot far from the bird park. It's the town's landmark temple, with Luang Pho Thammachak to pay respects to and lovely river views
16:30
Head back to the Chao Phraya Dam or the riverfront in town for the cool breeze and sunsetIn the evening the area by the dam is a sunset spot locals like to come and sit by
18:30
Check in to your accommodation in Chai Nat town and find dinnerChai Nat town is small, with hotels and restaurants clustered close together — a short walk or drive gets you there

About the bird park

A lot of Chai Nat Bird Park is outdoors. If you're with kids or older relatives, dodge the harsh midday sun, wear comfortable walking shoes, carry water, and allow at least an hour and a half for the big aviary and the fish tunnel.

Day 2 — Nakhon Sawan: the river's source and the lotus lake

On the morning of day two, check out and drive north to Pak Nam Pho — about an hour. Today's theme is following the source of the Chao Phraya: start by paying respects at a hilltop temple, then the headwater point at Pasan, and close with Bueng Boraphet, the largest freshwater lake in the country.

Day 2

Nakhon Sawan: Pak Nam Pho

08:00
Check out and drive from Chai Nat up to Nakhon SawanAbout 55–60 km, roughly an hour
09:30
Wat Woranat Banphot (Wat Khao Kop) — pay respects at the hilltop templeAn old royal monastery of Pak Nam Pho, open around 06:00–18:00. Climbing the hill gives you a view over the town
11:00
Pasan, the landmark building marking the source of the Chao PhrayaOn the tip of Koh Yom, where the Ping, Wang, Yom, and Nan rivers merge into the Chao Phraya. Open around 06:00–20:00. The curving architecture is photogenic and fun to wander
12:30
Riverside lunch in Pak Nam PhoPak Nam Pho has well-known eats like clown-knifefish balls (look chin pla krai) and floating restaurants on the Si Khwae River; pick whichever you fancy
14:00
Bueng Boraphet — boat ride to see birds and lotus fieldsThe largest freshwater lake in Thailand. A private boat runs about 600 THB per boat, and there's an aquarium and fish tunnel to walk through too
16:30
Catch the evening light over the lake, then get ready to drive backEarly morning and evening are when the most birds come out to feed; if you're serious about birdwatching, move the boat ride to the morning
17:30
Drive back to Bangkok or stay another night in Nakhon SawanNakhon Sawan is a big city with plenty of hotels and restaurants, so if you'd rather not drive at night, staying one more night is easy

Where to eat along the way

Both of these are riverside towns, so the standout eats come down to river fish and waterfront restaurants. Below are the ones travelers and locals mention most often — just stop in whenever hunger strikes.

1

Chai Nat river fish & grilled fish

Lunch · Chai Nat town

Chai Nat sits right on the Chao Phraya, so river fish is a local specialty. Grilled fish and net-cage fish are easy to find along the river and around town — a good fit for day one's lunch.

River fishRiverside
2

Chai Nat boat noodles

Light meal · snack

Boat noodles are a central-Thailand staple, and Chai Nat has several long-running shops with rich broth served in small bowls you can order by the round. A good light bite between stops.

NoodlesLocal food
3

Clown-knifefish balls, Pak Nam Pho

Light meal / gift · Pak Nam Pho

A Nakhon Sawan specialty: springy clown-knifefish balls made fresh in the Pak Nam Pho area. You can eat in or buy a batch to take home as a gift.

Knifefish ballsEdible souvenir
4

Si Khwae floating riverside restaurants

Lunch–dinner · Nakhon Sawan riverfront

Floating restaurants on the river in Nakhon Sawan town, with a breezy waterfront vibe. Good for lunch or dinner on day two; you'll find fish and a full Thai menu.

RiversideThai food
5

Chinese eats in Pak Nam Pho

Breakfast · Pak Nam Pho old town

Pak Nam Pho is an old Chinese quarter with Chinese-style food — dim sum, dumplings, and old-school coffee shops. Wander the lanes of the old town in the morning to find them.

Chinese foodOld town

Straight talk

This isn't a shopping or cafe-hopping trip like a big city. The real draw is the river, the birds, and the temples. If you love quiet riverside nature, you'll be very happy here — but if you're expecting malls or a buzzy lifestyle scene, it may feel a touch plain. Set your expectations right and you'll enjoy it more.

Best time to go

  • Nov–Feb — cool, comfortable weather and migratory-bird season. Bueng Boraphet has lots of birds and blooming lotus fields, so it's the best time for birdwatching
  • Mar–May — hot, so time your walks at the bird park and the lake to avoid midday, but it's still doable; just bring water and a hat
  • Jun–Oct — rainy season with the river full to its banks and lush green views. Pack a rain jacket and check the weather before any boat ride

Want a full Chai Nat itinerary? Check out the city guide.

See the Chai Nat travel guide →

FAQ

How far apart are Chai Nat and Nakhon Sawan by car?

The two town centers are about 55–60 km apart, roughly an hour's drive along Phahonyothin Road, so it's easy to combine them into one trip. It works well as a 2-day, 1-night plan.

Do you need your own car for this trip?

We'd recommend your own car or a rental, since sights like the Chao Phraya Dam, the bird park, and Bueng Boraphet are outside the towns and spread along the river. Public transport between the two provinces is limited and hard to connect, so driving yourself is the most flexible option.

When is the best time to watch birds at Bueng Boraphet?

November through February is the migratory-bird season, with the most birds and pleasantly cool weather. If you're serious about birdwatching, take the boat out early in the morning or in the evening when the birds come out to feed. A private boat costs about 600 THB per boat.

Where is the source of the Chao Phraya River?

It's at Pak Nam Pho in Mueang Nakhon Sawan district, around the tip of Koh Yom, where the Ping, Wang, Yom, and Nan rivers merge into the Chao Phraya. The landmark building called Pasan is the check-in and sunset spot, open around 06:00–20:00.

How much is entry to Chai Nat Bird Park?

Entry is around 60 THB for adults and 25 THB for children, and Chai Nat residents get in free. Inside there's a large walk-through aviary, a fish tunnel, and a water-park zone — enough to fill half a day.

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