Rooftop view over the low-rise houses and rooftop terraces of Chau Doc at dusk, with a distant hill on the horizon.

Vietnam and the neighbours

Following the river from Saigon to the temples

Ten days that go the long way on purpose: south into the delta, west to Chau Doc, then upriver by boat across the border to Phnom Penh, and on to three nights at Angkor.

Overview

Why take the river rather than the plane

A flight from Saigon to Siem Reap takes an hour and a quarter. This trip takes a week to cover roughly the same distance, and that is its point. The Mekong runs from Phnom Penh down through the whole of the delta, and following it upstream shows you how the two countries are joined: the same fish farms, the same river trade, the same floating houses, with a border line drawn across the water somewhere in the middle.

The key day is the speedboat from Chau Doc to Phnom Penh. It is five to seven hours, including the border formalities at Vinh Xuong on the Vietnamese side and Kaam Samnor on the Cambodian side, and it is one of the few border crossings in the region worth doing for its own sake.

A woman in a conical hat rows a boat loaded with green bananas on the Mekong Delta river.
Rows of red cockscomb and yellow chrysanthemum flowers grow in a Mekong Delta flower village with palm trees behind.
Cai Rang at six in the morning · The floating fish farms at Chau Doc
Length
10 days, 9 nights
Start
Ho Chi Minh City
Finish
Siem Reap
Border
By river, Vinh Xuong to Kaam Samnor
Longest day
5-7 hours on the boat
Pace
Steady, with two early mornings

Nights

Five stops, nine nights

Ho Chi Minh City2 nightsArrival and a day in the cityCan Tho1 nightBy the river, for the floating market at dawnChau Doc1 nightNear the waterfront, close to the boat pierPhnom Penh2 nightsRiverside area, walkable to the palaceSiem Reap3 nightsA quiet lane close to the town centre

Day by day

Ten days, in order

Day 1

Arrive in Saigon

Airport pick-up and the drive into District 1 or 3. Nothing else is scheduled; a first evening in Saigon is best spent eating near the hotel and sleeping off the flight.

StayCity hotel in District 1 or 3MealsNone includedTravel20-50 min

Day 2

Saigon, or Cu Chi

Choose between a morning in the city — the War Remnants Museum, the palace, Ben Thanh market — or a half-day to the tunnels at Cu Chi, which is about ninety minutes each way. Either way you are back by early afternoon for the heat.

StayCity hotel in District 1 or 3MealsBreakfast, lunchTravelUp to 3 hours if you choose Cu Chi

Day 3

Into the delta, to Can Tho

Leave at eight and drive south, stopping at Cai Be for two hours on the smaller canals by sampan. Lunch on the way, then on across the Hau river bridge to Can Tho, about three and a half to four hours of driving in total. An evening walk along the Can Tho riverfront.

StayRiverside hotel in Can ThoMealsBreakfast, lunchTravel3.5-4 hours

Day 4

Cai Rang at dawn, then west to Chau Doc

A boat at half past five to reach Cai Rang while the wholesale trade is still running — later in the morning it is mostly visitors. Back for breakfast, then about three hours west to Chau Doc. In the late afternoon, Sam mountain for the view over the rice plains into Cambodia, and a sampan past the floating fish farms.

StayHotel near the Chau Doc waterfrontMealsBreakfast, lunchTravelAbout 3 hours

Day 5

Upriver to Phnom Penh

The river border — no queue of buses, just a pontoon and a stamp

The speedboat leaves in the early morning. You clear Vietnamese exit formalities at Vinh Xuong, cross the line on the water, and do Cambodian entry at Kaam Samnor, then continue up the Mekong into Phnom Penh, usually arriving in the early afternoon. Our Cambodian partner’s guide meets the boat. The evening is free on the riverside.

StayRiverside hotel in Phnom PenhMealsBreakfast, light lunch on board

Day 6

Phnom Penh: the palace, and the harder morning

We begin at Tuol Sleng, the school that became the S-21 prison, and continue to the killing field at Choeung Ek, about forty minutes south. Both are handled quietly and with an audio guide, and we do not rush them or schedule anything cheerful straight afterwards. After lunch and a rest, the Royal Palace, the Silver Pagoda and the National Museum in the late afternoon.

StayRiverside hotel in Phnom PenhMealsBreakfast, lunchTravelAbout 1.5 hours in total

Day 7

To Siem Reap

The road north is five to six hours with a lunch stop; a flight takes about forty-five minutes and we can swap to it if you would rather keep the afternoon. By road you see Kampong Thom province and the stone-carving villages near Kampong Kdei, and arrive in Siem Reap in the late afternoon.

StaySmall hotel in Siem ReapMealsBreakfast, lunchTravel5-6 hours, or a 45-minute flight

Day 8

Angkor: the big circuit, in reverse

Most visitors do the grand circuit clockwise, so we go the other way: Preah Khan and Neak Pean in the morning, Ta Som and East Mebon before lunch. Back to the hotel through the midday heat, then Pre Rup at sunset.

StaySmall hotel in Siem ReapMealsBreakfast, lunchTravelAbout 1.5 hoursOn foot5-7 km

Day 9

Angkor Wat, Angkor Thom, Ta Prohm

The central temples, timed around the crowds: Ta Prohm at opening, the Bayon mid-morning, and Angkor Wat itself in the afternoon, when the light is on its western face and the sunrise crowd has long gone.

StaySmall hotel in Siem ReapMealsBreakfast, lunchOn foot6-8 km

Day 10

Leave from Siem Reap

A free morning, then the hour’s drive to the airport for your flight.

MealsBreakfastTravelAbout 1 hour
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Price

Price

TravellersTier 1 — simpleTier 2 — comfortableTier 3 — the good ones
2 travellingfrom 1495from 1870from 2840
4 travellingfrom 1225from 1530from 2330
6 travellingfrom 1105from 1385from 2100
Per person in US dollars, private trip, sharing a double or twin room. The three hotel tiers are the ones described on our How we book page. High season and single rooms cost more; your quote is itemised.

The speedboat is a scheduled service with a fixed fare, so the variable parts are hotels and the Phnom Penh to Siem Reap leg. Swapping the road for the flight on day 7 adds a fare but saves the driver’s day. The river is high and fast from August to November and low from March to May; the boat runs all year, but the timings shift by an hour or so either side.

Included

What is included

What the price includes

  • Nine nights in the hotel tier you choose, with breakfast
  • Private car and driver in Vietnam and in Cambodia
  • English-speaking guides on every touring day
  • The Chau Doc to Phnom Penh speedboat
  • Sampans and boats at Cai Be, Cai Rang and Chau Doc
  • A three-day Angkor pass and the entrance fees in the day-by-day
  • Lunches listed above
  • Our 24/7 line while you travel

What it does not include

  • International flights
  • Cambodian and Vietnamese visas
  • Travel insurance
  • The optional Phnom Penh to Siem Reap flight
  • Drinks, dinners and tips

Practical

The border day, and the rest of the practical detail

Visas at the river gate

Cambodia’s e-visa is not accepted at every land and river crossing, and the Kaam Samnor gate has not always been on the list. Where it is not, the visa is issued on arrival at the post, which needs a passport photo and cash. The list changes, so we check the gate against your passport when you book and tell you exactly which route to take. Your Vietnamese visa must also be valid for the day you leave.

Pack for the boat as you would for a long coach ride: something warm for the air-conditioning, water, and whatever you need to hand, because the large bags go in the hold. There is a toilet on board but not much room to move.

Phnom Penh’s history is the reason the city is on this route, and the morning at Tuol Sleng and Choeung Ek is not optional in spirit even if it is in practice. It is not suitable for young children. In Cambodia we work with a long-standing local partner for guides and vehicles; your planning and support stay with us in Saigon.

A white passenger ferry with a control cabin crosses the river in the Mekong Delta, framed by another boat's blue structure.
The speedboat, somewhere near the border
The Throne Hall's spired golden roof rises above manicured gardens at the Royal Palace in Phnom Penh.
The Royal Palace, late afternoon
Carved stone columns and a vaulted stone roof line a gallery inside an Angkor temple in Siem Reap.
Angkor Wat in the afternoon
Weathered stone galleries and carved pediments stand amid trees at Preah Khan temple in Siem Reap.
Preah Khan on the big circuit

Not for everyone

Who this does not suit

Anyone who dislikes long days sitting still: day 5 on the boat and day 7 by road are both full days of travel. If that sounds tiring rather than interesting, fly and take the shorter Saigon and Angkor week instead. It is also the wrong trip if you want to skip the heavy history — Phnom Penh is here because of it.

Common questions

Questions travellers ask most

Is the speedboat safe?

It is a scheduled service used daily by travellers and local passengers, with life jackets on board. In very high water we check the schedule the day before and delay if needed.

Can we do the whole river on a cruise boat instead?

Yes — our five-day river cruise from Saigon to Phnom Penh covers the same water more slowly, with cabins. Ask and we will join it to Angkor.

Do we carry our luggage across the border?

The boat crew handles the bags; you walk your passport through the two posts. The whole crossing usually takes under an hour.

Rooftop view over the low-rise houses and rooftop terraces of Chau Doc at dusk, with a distant hill on the horizon.

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