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Pak mun Dam

A major hydroelectric dam on the Mun River offering scenic views and a glimpse into local conservation history.

4.2(251)
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Why go, and how to do it well

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 travelers exploring Thailand's northeastern region. Beyond its engineering scale, the dam carries significant cultural and environmental weight, having been at the center 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 travelers passing through on the way to nearby Khong Chiam, known as the meeting point of the "two-color 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.

Written by Mac Kiley · Updated Sep 2026

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Experience hints

Pair your visit. After Pak mun Dam, round out your day in Ubon Ratchathani with contrasting stops nearby.

7FJ9+R78, Unnamed Rd, Tambon Khong Chiam, Amphoe Khong Chiam, Chang Wat Ubon Ratchathani 34220, Thailand

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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; Rental car or driver for the Mekong loop (Khong Chiam, ~75 km east).

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