🔄 Updated 21 Jun 2026
A lot of people figure Paet Riu is a one-temple, one-day stop. True, Wat Luang Phor Sothon and Wat Saman Rattanaram (home to the huge reclining Ganesh) are the headline pins everyone hits. But time the seasons right and the city gives you more — cruising out to spot dolphins, eating mangoes straight from the orchard, and walking century-old markets along the Bang Pakong River. Before you plan, sort out three things first: when to go, how to get there, and how much to budget.
Best Time to Go — Travel by Season
You can visit Paet Riu year-round, but each highlight has its own window. Plan around this and you'll catch what the city does best in each stretch of the year.
November–February (cool season + dolphin season)
The sweet spot. The weather is cool and comfortable, so walking the markets and visiting temples isn't a sweaty ordeal, and it's the only stretch when the dolphins from the Gulf swim up to the mouth of the Bang Pakong to feed on the sea catfish. If you want to see dolphins, this is the only time to come.
March–May (mango season)
Hot season, but this is peak for the golden nam dok mai mangoes around Bang Khla. The harvest comes in heavy, the fruit is intensely sweet, and prices are good — buy at the orchard or market and you'll get them fresher than anything in Bangkok. The trade-off is genuinely hot midday weather.
June–October (rainy season)
Lush and green, fewer crowds, cheaper rooms — good for temple-and-cafe days you can keep mostly indoors. But it rains often in the afternoons, it's neither dolphin nor mango season, so bring an umbrella and leave some buffer for the rain.
Key point about which day you go
Ban Mai 100-Year-Old Market only opens on weekends and public holidays, roughly 8:30am–5:00pm. Come on a weekday and the market is dead quiet, with almost every shop closed. So if you want to walk the market properly, plan your trip for a Saturday or Sunday.
Bang Pakong Dolphin Cruise — Know Before You Go
This is the highlight that sets Paet Riu apart from other day-trip towns. Late in the year, pods of Irrawaddy dolphins (the round-headed dolphin) come to feed where the Bang Pakong River meets the Gulf of Thailand, because that's when the sea catfish they love are around. Boats take you out to find the pod offshore.
- When: roughly November–February, peaking November–January. Outside this window the boats don't run dolphin trips.
- Chances of seeing them: these are wild animals, so there's no 100% guarantee. The pod runs around 60–80 dolphins, usually surfacing to breathe 3–4 at a time. Go in the morning or at high tide for better odds.
- Booking: local fishing-community boats and operators around Bang Pakong district run the trips. Always call to check and book ahead, since it depends on the weather and the tides.
- What to bring: hat, sunscreen, a windbreaker, and a life jacket (the boat provides one). If you get seasick easily, pack medication.
Straight talk
Some trips head out and don't see a single dolphin — it happens. If you're coming specifically for the dolphins, treat them as a bonus from nature, not a guaranteed show. And even if you don't spot any, the views at the river mouth and the riverside atmosphere are worth the boat ride on their own.
Mango Season — Where and When to Eat Them
Chachoengsao is one of Thailand's top sources of premium golden nam dok mai mango, grown around Bang Khla, Khlong Khuean, Ratchasan, and Phanom Sarakham. The soil along the Bang Pakong gives the fruit a sweet, fragrant flesh. The harvest starts trickling in late in the year, but true peak is March–May — that's when there's plenty around, prices drop, and you can eat mangoes ripened right on the tree.
- Buy at the orchard: the Bang Khla area has mango orchards selling at the gate — fresher fruit, and you can grade them yourself. Some take pre-orders ahead of the season.
- Buy at the market: Ban Mai Market and the markets in town have mango stalls in season, usually cheaper than hauling them back from Bangkok.
- Pick your variety: golden nam dok mai is the star this season — eaten ripe, sweet and juicy. There are also sour-mango varieties for dipping in chili-salt at the stalls.
Day Trip from Bangkok — How to Get There
The best thing about Paet Riu is how close it is — around 80 km from Bangkok, with several options depending on your budget and how much convenience you want.
Train (cheap and charming)
Board at Hua Lamphong Station or Krung Thep Aphiwat Central Station and get off at Chachoengsao Station, around 1.5 hours. Third-class fares start at roughly 13–15 THB. From the station, hop on a songthaew or motorcycle taxi into town.
Van / coach
Vans run from Victory Monument and the bus terminals into Chachoengsao town, around 1–1.5 hours, with fares in the low hundreds of THB. Good if you'd rather not drive.
Self-drive
Take the motorway or Bang Na–Trat road, around 1–1.5 hours. Most flexible if you're hitting several spread-out spots like the Bang Khla mango orchards or the Bang Pakong river mouth, where public transport doesn't reach easily.
Getting around in town
In town there are songthaews and motorcycle taxis, but some spots — Wat Saman Rattanaram, the mango orchards, the dolphin boat piers — are outside the center and spread apart. If you come without your own vehicle, hiring a motorbike or songthaew for stretches, or using a ride-hailing app, makes it easier to keep to a schedule.
One-Day Plan — Out in the Morning, Back by Evening
If you only have one day, this is the classic route that comes together nicely — temples, market, and the riverside. Do it on a Saturday or Sunday so Ban Mai Market is open.
Temples – century-old market – Bang Pakong riverside
One-Day Nature Plan (Dolphin Season)
If you're coming late in the year and dolphins are the main event, build the day like this — start earlier so you make the boat departure.
Bang Pakong river mouth – dolphins – seafood
Budget — What This Day Trip Costs
The budget depends on how you travel and how fancy you eat. Here are two styles to give you a sense — figures are rough, per person.
- Budget style (train + market eats): round-trip train fare in the low tens + getting around town 100–200 + food/snacks 200–300 + temple donations as you like = roughly 500–700 THB/person.
- Comfortable style (self-drive/van + boat cruise): travel + fuel 300–500 + dolphin boat (chartered or per-head, depends on the group) + a good seafood meal 300–500 + gifts to take home = roughly 1,000–1,800 THB/person.
- Dolphin boat cost: most charge per chartered boat or a per-head minimum, so coming in a group splits the cost. Ask the operator for pricing before you book.
Smart saving
If you skip the boat, Paet Riu is a seriously cheap trip — a train fare in the low tens, walking the market, visiting temples, eating well by the river, and you can finish the day in the low hundreds. Great for a weekend when you don't want to travel far.
Checklist Before You Set Off
- Pick a Saturday or Sunday if you want to walk Ban Mai Market in full
- Come in Nov–Feb if you're hoping to see dolphins / Mar–May if you're here for the mangoes
- Call ahead to book/confirm the dolphin boat, since it depends on weather and tides
- Dress modestly for the temples; pack a hat and sunscreen for the outdoor stretches
- Carry some cash — the old market and many orchards take cash more easily than transfers
See hotels and the full Chachoengsao travel guide
Open the Paet Riu guide →