Ancient City of Ondong

Ancient City of Ondong is part of the Tentative list of Cambodia in order to qualify for inclusion in the World Heritage List.
The Ancient City of Oudong was the capital of Cambodia from the 17th to the 19th century. It was built next to the sacred mountain of Oudong. It also had a port at Tonle Sap. Due to its commercial importance it also attracted foreigners, who lived in enclaves and established their own religious structures.
Map of Ancient City of Ondong
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Community Reviews
CugelVance

Time of the visit: april the 7th,2025
For 90.000 riel(roughly around 21,5$) a tuktuk driver took me from Cambodia's capital Pnom Penh to Oudong's temple mountain.The journey took about an hour. The driver stopped right next to the tourist information office, where I got a map of all the temples. A few meters away are the stairs leading up to the temple complex. The driver was willing to wait three hours. By the time I reached the top of the stairs, my shirt was soaked with sweat from the high temperatures.Once at the top, you follow a path that goes slightly up and down and leads past various temples to the temple of Vihear Preah Ath Roes, from where it goes back down to the market, which is enormous but only partially used during the week, but suggests that it must be very busy with visitors from the capital at the weekends.
I also visited the quite big and nice Uddom pagoda complex next to the market.All in all I needed around 2h (including a coffee in the market) for that entire area.Since I was faster than I had thought before I ordered the driver to go to Oudong city itself in order to visit the former residence of the king when Oudong used to be the capital of Cambodia.That area is now a big Buddhist complex with many new pagodas.The driver had been to Oudong's famous mountain complex many times, but the old royal compound was a surprise for him. I had to direct him there. This area is only about 12-15 minutes away from the mountain complex. A future UNESCO World Heritage Site? Unfortunately not, as the town itself is hardly authentic anymore, and the mountain complex, while picturesque and impressive, is only of national importance and artistically nothing special .Nevertheless I recommend anyone who stays in Cambodia's capital Pnom Penh for a few days to visit Cambodia's old capital Oudong/Udong/Ondong....a fantastic day trip that I wholeheartedly enjoyed.
Els Slots

Ever wondered what the Cambodians were doing between the fall of Angkor (early 15th century) and the start of the French Protectorate in the late 19th century? They had to endure repeated invasions and interferences by the Siamese and Vietnamese, and there was even a Cambodian-Dutch War! Oudong was the capital for most of this period – a trading river port in Central Cambodia, also known for its silver workshops.
The TWHS description shows no focus and a nomination doesn’t seem likely in the near future, despite remaining on Cambodia’s most recent Tentative List in 2020. To a casual visitor nowadays it mostly resembles a sacred mountain ‘experience’. It all revolves around Phnom Oudong, a hill ridge, covered with animist, Hindu, and Buddhist temples and shrines. It also has stupas in remembrance of deceased members of the Royal family.
I arrived around 10 a.m. on a Sunday morning, and it was so busy that the police even had to direct the traffic flow. It seemed that I had just missed ‘the party’, as tuk-tuks full of orange-clad monks were already leaving. At the base of the hill, there are numerous food stalls, parking lots and newish temples. Here the stone footpath starts that leads from one end of the ridge to the other, the trail can easily be seen on Maps.me.
The path is crammed with one shrine, stupa, or temple after the other. I had no idea what I was looking at, although the animist shrines stood out with their unfamiliar scenes. The local visitors seemed to combine a joyful day trip with a prayer here and there.
At the hilltop, you’ll encounter the older stupas for King Sisowat (the prettiest of them all with the ‘smiling face’ at its top), King Ang Duong (with interesting plastered ceramics), and the Chedei Damrei Sam Poan in Sukhothai-style. The biggest and most popular temple is the Preah Shakyamuni Chedei, which dates from 2002 and has relics of the Buddha.
Getting there and away by public transport: Take a bus between Phnom Penh and Kampong Chhnang, and get off at the fly-over near Oudong. Buses aren’t too frequent, so I opted for a shared minivan from Phnom Penh’s Central Market (5 USD; it didn’t fill up, so we drove all the way with only 3 passengers). I was dropped at the entrance road to the mountain, and easily found a tuk-tuk for the final 2 km. For the return trip, I started to walk down to the main road. An empty tuk-tuk eventually caught up with me, and he offered to take me all the way back to central Phnom Penh for 15 USD.
Read more from Els Slots here.
Tony Lagrou
Yesterday I went to Oudong Mountain.It is a religious mountain with a lot of temples, pagodas on the mountain. Some are very New, others are older. Some are small, others are bigger. The view from the hill is spectacular. I went up by the stairs and went down the other way. Not so many tourists during the week, But the weekend must be crowded, seeing all the infrastructure there. Also in the surroundings you see a lot of temples. On the parking lot is a small structure with bones from the red kamer horror.
You drive there on the highway 5 to Battambang, from Phnom Penh it is almost 1h30min and Price for tuktuk is 20 USD.
Hong
Last year, I went on a trip to Udong mountain (or Phnom Preah Reach Trop in Khmer). I went there by bicycle with my sister and her friends.It is about 45km from the capital of Phnom Penh. In fact, we can also reach there by bus. The site is so beautiful, and the mountain is not so high that we can reach the top easily. From the top, I can see a lot of beautiful rice fields, pagodas, and houses. There are some mysterious places there and big buddhas. The nature and ancient places there are quite fantastic!
Site Info
- Full Name
- Ancient City of Ondong
- Country
- Cambodia
- Added
- 2020
- Type
- Cultural
- Categories
- Archaeological site - South (East) Asian
- Link
- By ID
Site History
2020 Revision
Renomination of Site d'Oudong (1992)
2020 Added to Tentative List
Site Links
Visitors
5 Community Members have visited.