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Ang Nam Ngum Reservoir

Visit Southeast Asia’s largest man-made reservoir – the Ang Nam Ngum Reservoir.

The Ang Nam Ngum Reservoir was created when the Nam Ngum River was dammed in 1971 and is located on the northern edge of the Vientiane Plain. Aside from supplying much needed hydroelectric power to this part of the country, tourists who make a stop at Ang Nam Ngum is also rewarded with the discovery of a breathtaking 250-square-kilometre span of water with islands, isolated beaches, and swimming spots.



The Ang Nam Ngum Reservoir is located around 60 kilometres north of Vientiane, within the Nam Ngum tributary of Mekong, and is part of the Vientiane Capital Province.


Opening Days and Hours

The Reservoir is open during the day. Tours usually start in the morning and can take up a whole day.


Entry Fee and Bookings

Day tours start from USD 50 to 100 per person, and typically includes entrance fees, lunch, hotel pick up and drop offs, tour guide fees, boat rides, and taxes.


How to Get There

  • Fly in via the Vientiane International Airport at Laos.
  • If you have a tour booking, the tour group will pick you up at your hotel.
  • If you do not have a tour booking, you can ride a bus going to Huoi Mo from National Road 13. Ask the driver to drop you off at the Reservoir.


Suggested For

  • Family trip
  • Office outing
  • Backpackers
  • Solo travelers
  • Couples
  • Group of friends
  • Honeymooners


Time to Spend

Tours can take the whole day. For individual trips, you can spend around 2 to 5 hours in the area.


Popularity and Best Time to Go

The best time to visit the Ang Nam Ngum Reservoir is during the summer months of March to June.



  • Sightseeing
  • Boating
  • Picnic
  • Water activities
  • Cave hopping



Aside from the lunch included in packaged tours, you can also enjoy local cuisines and restaurants in the area. Must-try restaurants include:

  • Pizza Luka
  • IL Tavolo Pizza Italian Restaurant
  • Gary’s Irish Bar


Nearby Attractions

  • Tham Chang Cave
  • Tham Nam Water Cave
  • Tham Phu Kham Cav



Accommodations in the area costs around USD 10 per person for an overnight stay. Options include:

  • Leokhampaseurth Resort
  • Long Ngum View Resort
  • Namlik Eco Village

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History and culture    40

Natural Beauty    70

Nightlife    0

Adventure    40

Family Fun    20

Cost -USD   50

History and culture


Natural Beauty






Family Fun


Cost -USD




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