Pak mun Dam
Situated at the confluence of the Mun and Mekong rivers in Khong Chiam district of Ubon Ratchathani province, Pak Mun Dam is a large hydroelectric structure that has become a point of interest for travellers exploring Thailand's northeastern region. Beyond its engineering scale, the dam carries significant cultural and environmental weight, having been at the centre of decades-long debates over its impact on local fishing communities and river ecosystems — a context that adds depth to any visit. Visitors can expect open riverside scenery, with views across the Mun River and surrounding landscape that are particularly striking during and after the rainy season when water levels are higher. The area has a relaxed, unhurried atmosphere and draws a mix of locals and curious travellers passing through on the way to nearby Khong Chiam, known as the meeting point of the "two-colour river." The dam itself is accessible by road and offers a vantage point to observe the river's flow and the broader natural environment. As opening hours are not formally listed, it is advisable to visit during daylight hours to make the most of the scenery. The site is best combined with other nearby attractions in Khong Chiam district, making it a natural addition to a wider day trip rather than a standalone destination. Comfortable walking shoes and sun protection are recommended, as the area is largely open and exposed.
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Experience hints
Pair your visit. After Pak mun Dam, round out your day in Ubon Ratchathani with contrasting stops nearby.
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Pak mun Dam: Frequently Asked Questions
Is Pak mun Dam worth visiting?
Pak mun Dam holds a 4.2★ rating from 251 Google reviews — a strong rating for activities & tours in Ubon Ratchathani.
When is the best time to visit Pak mun Dam?
The best months to visit Ubon Ratchathani are November – February (plus July for the Candle Festival), with the most reliable weather. Crowds peak in Candle Festival (July, Khao Phansa) — going early in the day usually means fewer people. Months to think twice about: April (peak heat).
Where is Pak mun Dam located?
Pak mun Dam is at 7FJ9+R78, Unnamed Rd, Tambon Khong Chiam, Amphoe Khong Chiam, Chang Wat Ubon Ratchathani 34220, Thailand, in Ubon Ratchathani. Getting around Ubon Ratchathani: Grab and songthaews in the city; Hired car or driver for the Mekong loop (Khong Chiam, ~75 km east).
Location Info
7FJ9+R78, Unnamed Rd, Tambon Khong Chiam, Amphoe Khong Chiam, Chang Wat Ubon Ratchathani 34220, ThailandVisitor Information
Best time to visit
November – February (plus July for the Candle Festival)
Avoid: April (peak heat)
Rainy season
May – October
Avg. temperature
22°C – 35°C(72°F – 95°F)
Crowds
Peak: Candle Festival (July, Khao Phansa)
Getting there
Direct flights from Bangkok take about 1 hour; the overnight sleeper train from Krung Thep Aphiwat arrives in 8–10 hours and ends here — Ubon is the eastern railhead. Buses from Mo Chit take 8–9 hours.
Getting around
- •Grab and songthaews in the city
- •Hired car or driver for the Mekong loop (Khong Chiam, ~75 km east)
- •Bicycles along the Mun riverfront
Where to stay near Pak mun Dam
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Tips for Visiting Activities & Tours
Vet Elephant Sanctuaries
Only visit sanctuaries that prohibit riding, use no chains or bullhooks, and let elephants roam freely. Elephant Nature Park in Chiang Mai set the standard. If a place offers painting shows or circus tricks, walk away.
Book Popular Activities Online
Booking platforms like GetYourGuide give you instant confirmation and, on many activities, free cancellation — and you can read recent reviews before committing. Compare with local agencies for multi-day trips where negotiation might save more.
Do Outdoor Activities in the Morning
Heat and humidity peak from noon to 3 PM. Schedule jungle treks, cycling tours, and outdoor cooking classes for early morning. Water activities are more flexible since you're in and out of the sea.
Nearby Places

Kaeng Tana National Park
A scenic riverside national park in Ubon Ratchathani with hiking trails and diverse native wildlife.
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Elephant Jungle Sanctuary Chiang Mai
Elephant Jungle Sanctuary is Chiang Mai's best-known ethical elephant operation — a network of small camps in the Karen hill country of Mae Wang, about 60 kilometres southwest of the city, where rescued elephants live in semi-wild family groups.

Elephant Jungle Sanctuary Pattaya Camp 1
An ethical elephant sanctuary in Pattaya's jungle offering hands-on feeding, mud baths, and close wildlife encounters.

Elephant Jungle Sanctuary Samui (Soi 1 Branch)
Ethical elephant sanctuary in Maenam offering daily hands-on encounters with rescued elephants in a jungle setting.
Where to stay near Pak mun Dam
Find hotels in Ubon Ratchathani on the booking sites travellers trust most.
- Compare prices across sites
- Filter for free cancellation
- Secure checkout on the partner site
Compare rates on Booking.com
Largest selection
Compare rates on Agoda
Asia-focused selection
Compare rates on Hotels.com
Member prices
We may earn a commission from bookings made through these links — at no extra cost to you. Learn more.
Location Info
Visitor Information
Best time to visit
November – February (plus July for the Candle Festival)
Avoid: April (peak heat)
Rainy season
May – October
Avg. temperature
22°C – 35°C(72°F – 95°F)
Crowds
Peak: Candle Festival (July, Khao Phansa)
Getting there
Direct flights from Bangkok take about 1 hour; the overnight sleeper train from Krung Thep Aphiwat arrives in 8–10 hours and ends here — Ubon is the eastern railhead. Buses from Mo Chit take 8–9 hours.
Getting around
- •Grab and songthaews in the city
- •Hired car or driver for the Mekong loop (Khong Chiam, ~75 km east)
- •Bicycles along the Mun riverfront