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Si Phan Don is the Lao way to describe the 4,000 Islands area in Southern Laos.

During the rainy season this is the widest point of the Mekong River, but in the dry season there is so little water around it is said that if all the sand banks and islets are counted there would be over 4,000 Islands (hence the name).

Three main islands

The three main islands that remain all year round are Don Khong, Don Khone and Don Det and on each of these there are a few colonial villas left over by the French.

Freshwater dolphins

In this area you can spot freshwater dolphins, but the main activity is just sitting back, relaxing and getting used to the slow pace of Lao life.

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Audley Travel specialist Hayley

Start planning your tailor-made trip to 4,000 Islands by contacting one of our Laos specialists

Suggested itineraries featuring 4,000 Islands

Our itineraries will give you suggestions for what is possible when you travel in 4,000 Islands, and they showcase routes we know work particularly well. Treat them as inspiration, because your trip will be created uniquely by one of our specialists.

Map of 4,000 Islands

Places & hotels on the map

    Places near 4,000 Islands

    Ideas for experiencing 4,000 Islands

    Our specialists seek out authentic ways to get to know the places that could feature in your trip. These activities reflect some of the experiences they've most enjoyed while visiting 4,000 Islands, and which use the best local guides.

    • Vat Phou Cruise in the 4000 islands

      Vat Phou Rice Barge

      4,000 Islands

      This sympathetically converted rice barge cruises between Pakse and the Four Thousand Islands area of southern Laos.