Temple stonework in Cambodia
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Rivers, lakes and beaches in Cambodia

The Mekong, the Tonle Sap and the southern coast, by season.

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In short

The Mekong, the Tonle Sap and the southern coast, by season.

Checked

September 2026

The great lake

Tonle Sap floating villages

The Tonle Sap is South-East Asia’s largest freshwater lake, and it reverses direction twice a year when the Mekong backs up into it during the monsoon.…

Where
South of Siem Reap; Kampong Phluk is about an hour away
Best season
Wet season, roughly August to November, when the water is high
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The islands

Koh Rong and Koh Rong Sanloem

Koh Rong and its quieter neighbour Koh Rong Sanloem sit about two hours by fast boat off Sihanoukville, and they are where Cambodia’s beaches are genuinely…

Where
Off Sihanoukville, 45 minutes to 2 hours by boat depending on service
Best season
November to April for calm water and clear days
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Kampot and Kep

Kep crab market and the coast

Kep is a small seaside town an hour from Kampot, and its crab market is a row of waterfront shacks where the crab is lifted out…

Where
Kep waterfront, about 25 km from Kampot
Time needed
A long lunch, or a day with Rabbit Island
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Sihanoukville

Otres Beach

Otres is the long, shallow-shelving beach south of Sihanoukville town, and the part of the mainland coast that still resembles what people came for. It is…

Where
South of Sihanoukville town
Best season
November to April
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Phnom Penh

Silk Island (Koh Dach)

Koh Dach is a Mekong island a short ferry ride from Phnom Penh, known for household silk weaving still done on wooden looms under the houses.…

Where
Mekong island north-east of Phnom Penh, reached by ferry
Time needed
Half a day
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