Pa Sak Jolasid Dam

Pa Sak Jolasid Dam in Lopburi from above

Pa Sak Jolasid Dam: heaven on earth near Bangkok

Phone 036-494-291
Location

Pa Sak Jolasid Dam Located in Nong Bua Subdistrict, Phatthana Nikhom District, Lopburi, this is the largest, longest and deepest earth dam in Thailand, built following the royal initiative of King Bhumibol Adulyadej to prevent flooding in the Pa Sak and Chao Phraya river basins.

Pa Sak Jolasid Dam It is not only a large reservoir but also a beautiful, shady attraction with fresh air, good for relaxing.

Opening hours: Daily 06:00-18:00

Activities at Pa Sak Jolasid Dam

  • Scenic train ride around the dam: Enjoy a train ride with beautiful views of the dam.
  • Boat trip around the dam: See the dam from a different point of view.
  • Feeding the fish: Fish food is sold at 20 and 50 baht (according to visitor reviews), and the fish are plentiful.
  • Fishing: The dam is full of fish, good for anglers.
  • Cycling: Enjoy the scenery around the dam.
  • Camping: Relax in the midst of nature.
  • Photography: Capture memories of the beautiful scenery.

Facilities

  • Restaurants
  • Shops
  • Toilets
  • Parking

How to get there

  • By private car: About 2-3 hours from Bangkok.
  • By bus: Take a bus from Bangkok to Lopburi town, then a songthaew to Pa Sak Jolasid Dam.

Frequently asked questions

What time does Pa Sak Jolasid Dam open and close?
Open daily 06:00-18:00.

Is there an entrance fee?
It is a public area of the Royal Irrigation Department with no main entrance fee, but there are small charges for activities such as fish food (20-50 baht) or the boat trip / scenic train, depending on the service point.

How far is it from Bangkok?
About 2-3 hours by private car.

Can I camp overnight?
Yes. There is a camping area in the midst of nature.

Other attractions nearby worth a look

Distances and travel times checked on Google Maps: 17 October 2026.

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