Photo: Pretty oh so pretty.

Khun Kong Leng Lake

Our rating:

Sure, pinch yourself, but this blue lagoon isn’t a mirage—the cold spring waters of this deep swimming hole really are the colour of gemstones, so clear you can see right to the bottom.

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Khun Kong Leng is a refreshing oasis 50 kilometres northeast of Tha Khaek, making for a good day trip with time for several dips and a picnic lunch. The colour of the water changes every few months—sometimes it’s emerald green, other months cyan, orange or pink. Villagers believe that on every night of the full moon, a gong can be heard across the water.

Just wow! Photo taken in or around Khun Kong Leng Lake, Tha Khaek, Laos by Cindy Fan.

Just wow! Photo: Cindy Fan

It isn’t on the beaten track for western tourists (contrast that with the blue lagoon in Vang Vieng, overrun with people and ugly construction). This is an undeveloped local spot, busier on weekends when friends gather for barbecues and beer.

The biggest obstacle to visiting is the 20 kilometres of dirt road once you turn off Route 13. It’s a doozy, especially during and in the months after rainy season. If you’re not an experienced rider, hiring a tuk tuk, minivan or arranging a tour with the tourism office are all good options. For something more active, the lagoon is a stop on their incredibly scenic 2-day/1-night trek.

To get here, head east out of town to the highway, then travel 30 km north on Route 13 to Houay Aek village, turning right/head east on the dirt road. After 2 km, turn right. Follow the road, it’s 17 km to Ban Na Kue village and from there another kilometre to ... Travelfish members only (Around 200 more words) ... please log in to read the rest of this story.

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Popular hotels in Tha Khaek on Agoda

Khun Kong Leng Lake
50km northeast of Tha Khaek

Location map for Khun Kong Leng Lake

Popular attractions in Tha Khaek

A selection of some of our favourite sights and activities around Tha Khaek.

Best places to stay in Tha Khaek

A selection of some of our favourite places to stay in Tha Khaek.

What next?

 Browse our independent reviews of places to stay in and around Tha Khaek.
 Check prices, availability & reviews on Agoda or Booking
 Read up on where to eat on Tha Khaek.
 Check out our listings of things to do in and around Tha Khaek.
 Read up on how to get to Tha Khaek.
 Do you have travel insurance yet? If not, find out why you need it.
 Planning on riding a scooter in Tha Khaek? Please read this.
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See below for more sights and activities in Tha Khaek that are listed on

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Where to next?

Where are you planning on heading to after Tha Khaek? Here are some spots commonly visited from here, or click here to see a full destination list for Laos.

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