Mukdahan is a Mekong river town in Isaan, facing Savannakhet in Laos across the Second Thai–Lao Friendship Bridge. Most visitors come to cross into Laos, but the town's Indochina Market and the rock landscapes of Phu Pha Thoep National Park make it worth a night or two in its own right.
The Lao side of the bridge is open from 06:00 to 22:00, and according to the Lao Department of Immigration it issues visas on arrival and also accepts the Lao eVisa (checked November 2026). That makes Mukdahan one of the more flexible crossings into central Laos.
The town sits on the stretch of river between Nakhon Phanom and Ubon Ratchathani, so it fits naturally into a slow trip down the Mekong. Our guide to Isaan puts it in the context of the whole region; this page covers the town, the park and the border.
Mukdahan and the Savannakhet crossing (November 2026)
- Where
- Mukdahan province, on the Mekong opposite Savannakhet province, Laos
- Border
- Second Thai–Lao Friendship Bridge (Lao side: "Friendship Bridge 2")
- Lao checkpoint hours
- 06:00–22:00 (Lao Department of Immigration)
- Lao visa
- Visa on arrival and eVisa both accepted at this crossing
- Phu Pha Thoep fee
- Category 1 park: 100 baht foreign adult, 50 baht child
- Rain
- 1,491 mm a year; wettest August, driest December (TMD 1991–2020)
The Indochina Market and the riverside
The Indochina Market is the name every visitor to Mukdahan hears first, and the name reflects a town that has always looked across the river to Laos. Browse it for an hour, then walk on along the riverside.
Late afternoon, when the heat eases, is the obvious time to go, with Savannakhet on the far bank. Opening hours for the market are not published in any official source we could find, so ask at your hotel which days and hours it is busiest.
The town's observation tower is the other sight on most lists. Check its opening hours and the fee on the spot. If you have only one evening, the riverside is the better use of it.
Phu Pha Thoep National Park
Phu Pha Thoep is the hill park of Mukdahan province and the main reason to stay a second day. The Department of National Parks (DNP) reported in September 2025 that it had won two prizes at the Thailand Tourism Awards, an Outstanding Award and a Sustainability Award, which is a good sign of how well it is run for visitors.
It is a Category 1 park in the DNP's fee system, so foreign adults pay 100 baht and children 50 baht, with 20 baht for a motorcycle and 30 baht for a car. The park office can tell you its hours and the state of the trails on the day. The dry season is also the fire season: in April 2026 DNP staff fought a forest fire at Phu Pha Thoep in intense heat, and two rangers had to be carried down the mountain. In the hot months, walk early, carry water and leave if you see smoke.
Phu Pha Thoep in the hot season means early starts. April averages a daily maximum of 36.4 °C in Mukdahan, and the record there is 42.5 °C. Start at opening time and plan to be back at your car by late morning.
Crossing the Second Friendship Bridge to Savannakhet
The Second Thai–Lao Friendship Bridge links Mukdahan with Savannakhet. The Lao Department of Immigration lists the Lao checkpoint as "Friendship Bridge 2" in Khaisonphomvihan district, Savannakhet province, opposite the Thai Mukdahan checkpoint, open from 06:00 to 22:00. Its official list shows both visa on arrival and eVisa as accepted there.
The UK government's Laos advice (August 2026) says British citizens need a visa, that a tourist visa has been valid for 30 days since 1 January 2025, and that an eVisa is single entry and should be applied for at least five days ahead. The UK government lists the Lao Digital Immigration Form (LDIF) only for Wattay, Luang Prabang and Pakse airports and the first Friendship Bridge at Nong Khai, not for this bridge. Check the current Lao rules for your own passport before you travel, since some ASEAN nationals enter Laos without a visa.
Travelers without their own car usually cross on the international bus between the two towns. We could not confirm its current times or fare from the operator, so ask at the Mukdahan bus terminal the day before. Our guide to bus travel in Thailand explains classes and booking. The crossing at Nong Khai to Vientiane, with its train and its own rules, has a page of its own: Nong Khai and the First Friendship Bridge.
Coming back into Thailand
The return is where plans go wrong. Every re-entry needs a new Thailand Digital Arrival Card, filed free online in the three days before you arrive; our walkthrough of the TDAC shows how. As of November 2026, a visa-exempt entry gives most nationalities 30 days (since 15 September 2026), and TAT says visa-exempt entries over land borders are generally limited to two per calendar year.
A day trip to Savannakhet therefore uses up one of those land entries. Using Mukdahan to restart your stay is a visa strategy, not a sightseeing trip, and our page on border runs from Thailand explains the rules, the risks and the better options.
If you live in Thailand on an extension of stay, for example a retirement or marriage extension, leaving without a re-entry permit ends that permission at the border. Get the permit before you cross; our guide to the Thai re-entry permit explains the single and multiple versions and where to apply.
Festivals: boat races and the Khamcha-i culture fair
Mukdahan's river festival is Boun Suang Heua, the long-boat racing at the end of Buddhist Lent. In 2026 TAT listed it from Friday 23 to Monday 26 October, the same week as the illuminated boats upstream; the procession and the great stupa nearby are described in our Nakhon Phanom and That Phanom guide.
Inland, the Khamcha-i district office hosted the "On Son Chon Phao Khamcha-i" cultural festival from Monday 9 to Sunday 15 February 2026, according to TAT's February calendar. Dates for 2027 had not been published for either event in November 2026.
Health: melioidosis in the rainy season
Mukdahan had the highest rate of melioidosis in Thailand in the first half of 2025, according to the Department of Disease Control: 15.82 cases per 100,000 people. It is a bacterial infection caught from soil and muddy water, mainly in the rainy season, and farmers and people with diabetes are the main risk groups. It is rare in visitors, but if you wade through floodwater or walk in wet rice fields, read our page on leptospirosis and melioidosis and see a doctor if you develop a fever afterwards.
Weather, and where Mukdahan fits on a Mekong trip
The Thai Meteorological Department's 1991–2020 averages for Mukdahan station give 1,490.9 mm of rain a year and 114.3 rainy days. August is the wettest month (337.9 mm), followed by July (292.7 mm); December is almost dry (4.3 mm). January has the coolest nights, with an average minimum of 17.2 °C. The station also records more than a hundred hazy days a year, mostly between October and April.
November to February is the most comfortable time to come. Upstream, Nakhon Phanom has the riverside promenade, and inland lies Sakon Nakhon with its lake and wax castle festival. Downstream, our Ubon Ratchathani guide covers the cliff paintings of Pha Taem and the rock pools of Sam Phan Bok, the next big stop along the river.
Frequently asked questions
Can I get a Lao visa on arrival at the Mukdahan–Savannakhet bridge?
Yes. The Lao Department of Immigration lists visa on arrival as available at Friendship Bridge 2 (Savannakhet), and it also accepts the Lao eVisa there. The checkpoint is open from 06:00 to 22:00 (checked November 2026). Check the rules for your passport before you go.
Do I need the LDIF form to cross at Mukdahan?
The UK government's Laos advice of August 2026 lists the Lao Digital Immigration Form only for three airports and the first Friendship Bridge at Nong Khai, not for the bridge at Mukdahan. Rules can change, so check the Lao immigration site shortly before you cross.
Is Mukdahan worth visiting if I am not going to Laos?
Yes, for a night or two on a Mekong trip. The riverside and the Indochina Market fill an evening, and Phu Pha Thoep National Park makes a good morning outing in the cool season. If you have little time, Nakhon Phanom or Ubon offer more to see.
How much is the entry fee for Phu Pha Thoep National Park?
Phu Pha Thoep is a Category 1 park, so foreign adults pay 100 baht and children 50 baht, plus a vehicle fee of 20 baht for a motorcycle or 30 baht for a car. Ask at the park office about opening hours and fire closures in the dry season.
Sources
- Lao Department of Immigration – Friendship Bridge 2 (Savannakhet) checkpoint (checked November 2026)
- UK FCDO – Laos travel advice: entry requirements (checked November 2026)
- Tourism Authority of Thailand – October 2026 events calendar (checked November 2026)
- Tourism Authority of Thailand – February 2026 festivals and events (checked November 2026)
- Department of National Parks – Thailand Tourism Awards for national parks, 29 September 2025 (Thai) (checked November 2026)
- Department of National Parks – Phu Pha Thoep fire crew injured, 14 April 2026 (Thai) (checked November 2026)
- Kapook Travel – National park fees by group, citing the DNP (Thai, updated July 2025) (checked November 2026)
- Thai Meteorological Department – Climate normals 1991–2020, northeast stations (checked November 2026)