Name: Killing Fields and Toul Sleng Genocide Museum Tour
SKU: 182749P1
Availability: InStock
Rating: 4.9 (646 reviews)

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Killing Fields and Toul Sleng Genocide Museum Tour

4.9(646)· Phnom Penh· By Phnom Penh Tours Watch the video

Free cancellation

From

€17per person

1 to 20 travelers per booking.

Time

1 × Adult × €17€17

Total€17

About the activity

Explore a somber chapter of Cambodian history with this tour of the Killing Fields and the Tuol Sleng Genocide Museum (S21). Your licensed English-speaking guide will provide context for the exhibits and answer your questions. Pay your respects to the victims of the Khmer Rouge at these impactful and moving historical sites. This tour is highly recommended for travelers with an interest in history. All visitors must wear clothing that covers their knees and shoulders. We adhere to European dress code standards.

What's included

✓Reliable, clean, and safe transportation.
✓A professional, licensed English-speaking tour guide and driver.
✓Transport in an air-conditioned vehicle.
✓Bottled water.

What is not included

✕Entrance fee for Choeung Ek Genocidal Center (USD 3.00 per person).
✕Entrance fee for Tuol Sleng Genocide Museum (USD 5.00 per person).
✕Gratuities for service and other personal expenses.
✕Personal travel insurance.

Itinerary

1
Choeung Ek Genocidal Center
Your tour guide will pick you up from your hotel and drive you to the Killing Fields of Choeung Ek Genocide Center, located 9 miles south of Phnom Penh. This infamous site, once an orchard and Chinese cemetery, was transformed by the Khmer Rouge under Pol Pot into a place of execution where approximately 20,000 victims were killed. Over a period of three years, a staggering 2.5 million people were massacred and buried here. After a moment of remembrance for the deceased, you will return to Phnom Penh to visit the Tuol Sleng Genocide Museum (S21). Originally a popular high school, Pol Pot converted it into a high-security prison known as 'Hill of the Poisonous Trees'. Around 20,000 individuals were imprisoned and often tortured for information within its walls. Today, it stands as a museum and a stark reminder of Cambodia's tragic past. Your guide will then return you to your hotel or guesthouse.
· 2 h· Admission not included
2
Tuol Sleng Genocide Museum
The most infamous of Cambodia's 189 known interrogation centers was S-21, housed in a former school and now known as Tuol Sleng, named after the hill on which it stands. Between 14,000 and 17,000 prisoners were held, tortured, and often kept in primitive brick cells constructed within former classrooms.
· 2 h· Admission not included

How to use your ticket

Your mobile or paper ticket is accepted. One ticket is required per booking.

Meeting point and return

Preah Sisowath Quay at the corner of St. 154.

Please provide your WhatsApp number for easy communication.

Preah Sisowath Quay at the corner of St. 154.

Please provide your WhatsApp number for easy communication.

Hotel pickups are available only for hotels located in the city center.

Departure times:

- Morning: 8:30 AM to 12:45 PM

- Afternoon: 1:30 PM to 5:30 PM

Please provide your WhatsApp number for communication.

Meeting point

End point

This activity ends back at the meeting point.

Practical information

Public transportation options are conveniently located nearby.
This tour is suitable for individuals of all physical fitness levels.

Activity options

Killing Fields and S21 Prison Tour
Excludes entrance fees.
Includes a professional, licensed English-speaking tour guide.
Includes transportation in an air-conditioned vehicle.
Pickup is included.

Duration

4 h 15

How to prepare for your experience

Dress respectfully, covering your knees and shoulders, as these are sensitive historical sites.
Consider bringing a small notebook to jot down thoughts or questions for your guide.
Be prepared for an emotionally impactful experience.
Ensure you have your WhatsApp number readily available for the tour operator.
Check the current entrance fees if you wish to budget accordingly.

Understand Cambodia's tragic past with a guided tour of the Killing Fields and Tuol Sleng Genocide Museum.

Cancellation conditions

For a full refund, please ensure your cancellation is made at least 24 hours prior to the scheduled departure time.

Any questions?

Product code: 182749P1

Activity offered by Phnom Penh Tours via Viator.

Who is this activity suitable for?

History enthusiasts
Travelers interested in understanding the Khmer Rouge regime
Visitors seeking a deeper cultural and historical experience

Activity essentials

Gain deep insights into Cambodia's recent history.
Visit two of the most significant historical sites in Phnom Penh.
Accompanied by a knowledgeable, licensed English-speaking guide.
Comfortable transportation in an air-conditioned vehicle.
Includes essential refreshments like cool water.

Phnom Penh: good to know

Population: 2,129,371 (2019)
Elevation: 11 m
Currency: riel
Official language: Khmer
Driving: on the right
Power plugs: A, C, G · 230 V
Emergency number: 119

Average temperatures

28°Jan
30°Feb
31°Mar
31°Apr
30°May
28°Jun
27°Jul
27°Aug
27°Sept
27°Oct
27°Nov
27°Dec

Sources: Wikidata; climate: NASA POWER, 2001-2025 averages.

Frequently asked questions

What is the duration of the tour?

The tour lasts approximately 4 hours and 15 minutes.

Is the entrance fee included in the tour price?

No, the admission fees for Choeung Ek Genocidal Center (USD 3.00) and Tuol Sleng Genocide Museum (USD 5.00) are not included.

What should I wear for this tour?

You must wear clothing that covers your knees and shoulders.

Can I get a refund if I cancel?

Yes, you can receive a full refund if you cancel at least 24 hours before the scheduled departure time.

What is the maximum group size?

The maximum group size for this tour is 20 people.

Reviews

4.94.9(646)

5 stars

596

4 stars

3 stars

2 stars

1 star

Reviews provided by Viator, written by travellers on Viator and Tripadvisor.

★★★★★Viator review
This tour was a very...
Laksha_B, October 2026
This tour was a very meaningful and insightful experience. Our guide Ran was amazing. His vast knowledge of Cambodian history and ability to explain this clearly made all the difference. We were also very touched by Ran choosing to share his own story with us. Thank you Ran for making this tour such a memorable experience for us.
★★★★★Tripadvisor review
Very interesting tour
VicN_12, September 2026
This could be quite an emotional experience but you have to take it as an historical period that the country has recovered from but will never forget. Our guide spoke excellent English and was very knowledgeable about dates and events, I would recommend it as a very interesting tour.
★★★★★Tripadvisor review
Eye opening experience
Ivyanddavid, September 2026
Ran was our guide. Very informative tour. Learned alot, much more than you would thru a textbook. Highly recommend.
★★★★★Tripadvisor review
Confronting Cambodia’s Darkest History
925laurencej, August 2026
An experience that leaves you feeling sombre and deeply saddened, but also gives you a powerful insight into the scale and brutality of the Khmer Rouge genocide. Visiting both sites together makes the experience particularly meaningful: Tuol Sleng (S-21) provides a harrowing insight into the machinery of imprisonment, interrogation and torture (best visited first), while the Killing Fields at Choeung Ek shows the horrifying fate of many of those who passed through it. Together, they put the human cost of Cambodia's history into stark perspective. Transport between the sites is easily arranged using Grab, making it straightforward to visit independently rather than as part of a tour. If you do go independently, I would strongly recommend hiring the audio guides. They are exceptionally clear, informative and easy to follow, with numbered stops corresponding to the locations around each site. Being able to pause and move at your own pace also gives you some space to take in what you are seeing. A guide, however, can offer a more personal perspective and provide additional historical context that you won't necessarily get from the audio guide. Allow plenty of time rather than trying to rush through both locations. This isn't really an attraction to be ticked off a sightseeing list; it is an experience that benefits from being approached slowly and respectfully. Some of the material is understandably difficult to hear and see, and the atmosphere at both sites is very sombre. Although August can be hot and humid, going early in the morning is worthwhile, both to avoid the worst of the heat and to experience the sites before they become busy. Take water, wear comfortable footwear and be prepared for the visit to be emotionally draining. Perhaps the most important reason to visit is that the experience isn't simply about confronting Cambodia's darkest period. Seeing the evidence of what happened, while also seeing how Cambodia has rebuilt itself, provides a striking reminder of the resilience of people and the importance of remembering what happened. You leave feeling sombre, but also with a greater appreciation for Cambodia's present and its hopes for the future.
★★★★★Viator review
Great tour and history,...
Ryley_C, August 2026
Great tour and history, showed every part of cambodias history and even met with last survivor that was in the camp

8 activities · Cambodia

Phnom Penh, Cambodia, has 8 activities, tours and experiences to book.

01Activities to book

The best experiences in Phnom Penh

8 in the catalogue

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Khmer Cooking Class Half Day (AM or PM)

from €33★ 4.9

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The Killing Fields and Toul Sleng Genocide Museum (S21) Tour

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All activities · Phnom Penh · 8

02On the water

Boats & cruises in Phnom Penh

1 activity

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Sunset Cruise with unlimited beer & soft drinks - English speaking guide on board

from €9★ 4.8

03Categories

Guided tours in Phnom Penh

5 activities

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from €63★ 4.9

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from €32★ 4.9

Frequently asked questions about Phnom Penh

What is there to do in Phnom Penh?

Phnom Penh has 8 activities, tours and day trips you can book online. Among the most booked: « Khmer Cooking Class Half Day (AM or PM) », « Visit 11 Places in One Day including S21 & Killing Field », « Sunset Cruise with unlimited beer & soft drinks - English speaking guide on board ».

What are the top-rated activities in Phnom Penh?

According to traveller reviews: « Phnom Penh Silk Island Bike Tour / E-Bike or Tuk Tuk » (4.9/5, 568 reviews) ; « Khmer Cooking Class Half Day (AM or PM) » (4.9/5, 390 reviews) ; « Phnom Penh Full Day Private Tour with All Admission Tickets Included » (4.9/5, 640 reviews).

Can you cancel an activity in Phnom Penh for free?

Usually, yes: 8 of the 8 most popular activities in Phnom Penh offer free cancellation. The exact terms are shown on each activity page before you book.