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Lotus City of the Two Rivers
In Thailand’s easternmost corner of lower Isan, Ubon Ratchathani is a lotus city on the Mun — two-coloured rivers at Khong Chiam, prehistoric paintings on the Mekong cliffs, and carved candles that still light the rains.
01
Geography & Climate
Ubon Ratchathani sits at the eastern edge of the Khorat Basin in lower northeastern Thailand — about 15,745 square kilometres, and the kingdom’s easternmost province. The 105° east meridian that sets Thailand’s time crosses this land, so sunrise reaches here before the rest of the country. Amnat Charoen and Laos lie to the north; Champasak and Salavan in Laos to the east, with the Mekong as the border along some stretches; Preah Vihear in Cambodia to the south; Sisaket and Yasothon to the west. The frontier runs about 428 kilometres — some 361 along Laos, from Khemarat to Nam Yuen, and about 67 along Cambodia at Nam Yuen — which makes Ubon one of only two Thai provinces that touch two neighbouring countries.
The plateau tilts gently east, averaging about 120 to 140 metres above sea level. The Mun crosses the middle from west to east; the Chi joins it at Warin Chamrap, and together they meet the Mekong at Khong Chiam — the two-coloured confluence locals call Khong Si Pun, Mun Si Khram. Lam Sae Bai, Lam Sae Bok, Lam Dom Yai, Lam Dom Noi, and Huai Tung Lung feed the basin. Toward Nam Yuen, Na Chaluai, and Buntharik the land rises into the Phanom Dong Rak and Banthat ranges that close the southern border.
The climate is tropical savanna. Rains usually settle from May through late October, often pausing in June and July. Because the province stands farthest east, the northeast monsoon arrives early: cooler air commonly begins in October and holds through late January. Heat builds from February into early May, though a late cool spell can linger into February and the first showers may come in late April.
Best time: November – January for dry, cooler days on the Mekong, at Pha Taem, and around Sam Phan Bok; March – May when the river is lowest and the rock gardens show best; July for the Candle Festival in the rains.
02
History & Heritage
Ubon’s ground was lived on long before the lotus city had a name. At Ban Kan Lueang in Kham Yai, a Fine Arts Department dig in 1996 found beads, pottery, bronze bells, iron axes, and rice husks from a late metal-age community some 2,500 to 2,800 years old, and prehistoric paintings at Pha Taem still face the Mekong. The provincial chronicle traces a princely line from Chiang Rung to Nong Bua Lamphu, and to Chao Phra Ta and his son Thao Kham Phong. In 1786 (B.E. 2329) Thao Kham Phong — Phra Prathum — settled his people at Tambon Chaeramae, north of today’s town. A border war made the city official: in 1791 (B.E. 2334) he and his younger brother Thao Fai Na broke Ai Chiang Kaeo’s revolt at Kaeng Tana, in today’s Khong Chiam. On Monday, the 13th waning of the eighth lunar month, Chula Sakarat 1154 (1792), King Rama I sent Thao Fai Na to rule Champasak and raised Phra Prathum to Phra Prathum Worarat Suriyawong, first ruler of Mueang Ubon Ratchathani Si Wanalai. Ban Huai Chaeramae had become the lotus city.
Four hereditary rulers left the town its oldest temples. Phra Prathum (1792–1795) cut the moat and gates and built princely halls and royal monasteries in a Luang Prabang manner. His younger brother Phra Phrom Worarat Suriyawong (1795–1845) founded Wat Pa Luang and raised the great brick Buddha Phra Chao Yai In Plaeng, now the principal image at Wat Maha Wanaram. Under Phra Phrom Ratchawongsa (Ku Thong Suwannakut, 1845–1866) the Thammayut order took root: Wat Supattanaram rose at King Rama IV’s wish, and kin built Wat Si Ubon Rattanaram and Wat Suthat. Chao Phrom Thewanukhro Wong (Chao Nokham, 1866–1882), brother of a Rama IV consort, added Wat Chai Mongkhon, the fourth Thammayut temple — years also shadowed by a feud with the upahat and ratchawong that both parties carried to Bangkok.
After Chao Nokham’s death the hereditary line ended and Bangkok-appointed governors took the seat. Monthon Ubon, split from Monthon Isan in 1912 (B.E. 2455), was merged into Monthon Nakhon Ratchasima on 31 March 1926 (B.E. 2469); when the monthon system was abolished in 1933 (B.E. 2476), Ubon stood as a province, then the largest in the kingdom. Yasothon was separated on 1 March 1972 (B.E. 2515), and Amnat Charoen on 1 December 1993 (B.E. 2536). What remains is still the lotus city on the Mun: temple faith, the Candle Festival, and a frontier that looks east to the Mekong.
03
Top Attractions
Mekong cliffs, dry-season rock gardens, a glowing hillside temple, and the city’s candle square — places that shape an Ubon Ratchathani journey, listed A to Z.
A dry-season Mekong rock garden near Sam Phan Bok — strange shelves, bok pools, and stone flats locals nickname a mini Grand Canyon. Come when the river is low (roughly November–May) for walks and late-afternoon light; after the rains much of the shelf sinks again.
Where the Mun races through a rocky gorge before meeting the Mekong — rapids, forest trails, and one of Isan’s longest hanging bridges. The same stretch once saw Thao Kham Phong’s victory over Ai Chiang Kaeo; today it is a cooler stop between city and Khong Chiam.
A cliff in Dong Na Tham Forest inside Pha Taem National Park — often called Thailand’s first sunrise, with Mekong mist below when the air is clear. Arrive before dawn; local trucks ferry visitors from the park gate to the viewpoint on scheduled mornings.
Ubon’s signature Mekong cliff — prehistoric paintings some three to four thousand years old along a long sandstone face toward Laos. Walk Pha Kham, Pha Taem, Pha Mo Noi, and Pha Mo; pair with Sao Chaliang and Saeng Chan on the same park ticket. Cool-season sunrises are the classic visit.
Forest on Ubon’s southern highland near the Lao and Cambodian borders — Huai Luang Falls is the headline cascade, with viewpoints and rocky streams that reward a full day out of town. Best after the rains when the falls run strong; bring modest shoes for wet trails.
Also called Namtok Long Ru — a short walk inside Pha Taem National Park where water drops through a round hole in the sandstone ceiling, like moonlight through a skylight. Prettiest late in the rainy season into early cool months; same park fee as Pha Taem if you visit the same day.
The Mekong’s “three thousand holes” — thousands of rock pools and shelves carved into the riverbed, often called Thailand’s Grand Canyon. Walkable mainly in the dry months (about January–May) when water falls; boats and local pickups share the approach — go for soft late light, not mid-day heat.
Mushroom-shaped sandstone pillars weathered by wind and water for millions of years — a short stop on the road into Pha Taem. Walk the grove of stone “umbrellas,” then continue to the cliff paintings; covered by the same national-park ticket.
A broad EGAT reservoir in Sirindhorn District — dam crest views, raft restaurants, and a soft afternoon stop between Chong Mek and the glowing temple at Phu Phrao. Families come for open water and simple lakeside meals; pair with Wat Sirindhorn Wararam after dusk.
The city’s central green opposite the old provincial hall — once the ruler’s rice field, now the evening park and the main stage for Ubon’s Candle Festival each July. Candle sculptures often stand here year-round; walk at dusk when locals exercise and the square cools.
Where the blue Mun meets the silt-coloured Mekong at Khong Chiam — locals say Khong Si Pun, Mun Si Khram. Clearest after rains when both colours run strong; watch from the bank near Wat Khong Chiam or hire a short boat for a closer look.
Ubon’s landmark city chedi — a white Bodh Gaya–style stupa holding Buddha relics, with candle-festival wax trees often kept for visitors to admire. Easy merit-making stop in town before or after a Mekong day; dress modestly for the ordination hall.
The glowing temple on a hill near Chong Mek — by day a wide view toward the Lao hills; after dark the kalpavriksha tree mural behind the ubosot lights up in blue-green. Come for sunset into evening; free entry, offerings by faith.
04
Local Flavours & Food
Ubon Ratchathani eats between two kitchens that share one province — sharp Isan plates and river fish on the Mun, and a deep Vietnamese table tradition still recognised by the MICHELIN Guide. Start with the ten rooms below, from floating Khong Chiam stews to jazz-lit Italian nights; hours can change, so check before you go.
Where to Eat
Mun-river sunsets, Michelin-recognised Vietnamese and Thai rooms, jazz-lit Italian nights, and one floating kitchen at Khong Chiam — Ubon Ratchathani’s tables, listed A to Z. Hours can change; tap Location for the latest pin.
A butcher-restaurant on Ratchawong Road for travellers who know good beef — pick the cut from the cold case, set the doneness, and match the sauce to the plate.
Italian pasta, smash burgers, and a warm loft room carry late dinners; live music and wine suit celebration nights as easily as a quiet steak.
Location · 68 Ratchawong Rd, Nai Mueang, Mueang Ubon Ratchathani
A cosy Vietnamese kitchen dressed in agave plants — MICHELIN Guide Bib Gourmand for homemade wraps, fish noodles, and pork or fish naem nueang with rice paper ready to roll.
Order the sticky-rice waffle with sun-dried pork when you want an Isan–Vietnamese hybrid; instrumental music and fair prices keep locals returning.
Location · 6/11 Phalorangrit Rd, Nai Mueang, Mueang Ubon Ratchathani
A livelier Mun riverside table on the Warin bank — open-air breeze seats and covered corners for couples or big groups that want the night to run late.
Sharp Thai–Isan plates, river air, and hours that stretch to midnight make it the easy dinner when View Mun feels too quiet.
A half-century Vietnamese landmark still listed in the MICHELIN Guide — classic naem nueang, sugarcane prawns, Vietnamese crepes, and Indochine coconut noodles in recipes that barely change.
Unflashy rooms with real local loyalty; come for the heritage table Ubon’s Vietnamese community built, not for décor theatre.
Location · 170 Sapphasit Rd, Nai Mueang, Mueang Ubon Ratchathani
A wide, unfussy home-style kitchen — air-con or open-air seats, family prices, and the plates travellers name first: crispy pork with chilli-salt, seafood hor mok in young coconut, and fierce pla kaphong pung taek.
Easy lunch-to-dinner stop when the table wants comfort without dressing up.
A two-storey house that feels like a friend’s home — MICHELIN Guide Bib Gourmand for Thai–Isan plates adapted from family recipes, from herb-infused seabass with pla ra to fermented-fish pairings with pineapple relish.
Book ahead when you can, dress neat, and treat it as a careful tasting night rather than a quick bite.
Location · 115 Phrommarat Rd, Nai Mueang, Mueang Ubon Ratchathani
A floating Mun–Mekong kitchen open for more than thirty years — long MICHELIN Guide recognition for freshwater fish cooked the riverside way, from herb stews to local vegetable pots.
Sit on the raft, feel the evening breeze at Khong Chiam, and order the fish that still tastes of the river; pair with the two-coloured confluence nearby.
Ubon’s most-named special-occasion room — polished classic décor, Thai–Isan–international plates, and a wine list for evenings that need polish.
From scallop pasta with truffle mushroom sauce to three-flavour tilapia and hot-pan crying tiger; closed Sundays, so plan the celebration night ahead.
A quiet Mun-bank restaurant outside the city rush — open tables, soft river sound, and Thai–Isan plates built on freshwater fish, local greens, and fragrant pla ra.
Stay for golden-hour light on the water; the sunset is the course everyone remembers.
Handmade pizza dough, house pasta, and live jazz in a European-leaning night room — Parma-ham pizza, carbonara, BBQ pork ribs, and salmon steak when Isan heat needs a break.
Order a glass of wine after dark and let the set list carry the table; one of Ubon’s clearest “not just som tam” evenings.
Location · 889 AD Link Bldg, 1st Fl, Kham Yai, Mueang Ubon Ratchathani
05
Local Specialties & Souvenirs
Ubon Ratchathani packs two kinds of keepsake — Vietnamese–Isan kitchen gifts that travel in jars and banana leaves, and handwoven cloth that still carries the provincial pattern. Fill the cooler with moo yor and jaew bong first, then leave room for kap bua silk and a soft cotton scarf before you leave.
06
Local Culture & Vibe
Ubon Ratchathani keeps time by wax, water, and the Mun. The year turns on carved Buddhist Lent candles at Thung Si Mueang, Songkran baths for the city’s emerald Buddha, fire boats at Ok Phansa, and long-boat drums along the riverbank. Come for a rite and you meet the lotus city at its most itself — devout, communal, and proud of craft that still takes months to finish.
07
Travel Info & Getting There
How to reach Ubon Ratchathani from Bangkok, and how to move around once you arrive.
Ubon Ratchathani Airport (UBP) is the easiest door — about 3–4 km from the city centre, so you can land and be among temples in roughly ten minutes. Thai AirAsia, Thai VietJet, Nok Air, and other carriers fly direct from Bangkok (Don Mueang or Suvarnabhumi) in about 1 hour 5–15 minutes. Book early for July Candle Festival weeks; airport taxis and Grab wait outside arrivals.
From Bangkok it is roughly 570–630 km east on Mittraphap (Highway 2) via Nakhon Ratchasima, then on toward Sisaket and Ubon — a long Isan drive best split with a Korat or Buriram overnight if you dislike night highways. Once in the province, Highway 212 and the Khong Chiam roads open the Mekong cliffs; a hired car or rental makes Pha Taem, Sam Phan Bok, and the two-coloured rivers far simpler than piecing together songthaews.
SRT Northeastern Line trains run from Krung Thep Aphiwat Central Terminal to Ubon Ratchathani Railway Station in Warin Chamrap, south of the Mun — about 8–11 hours depending on the service. Special Express 21 is the fast daylight classic (about 7h 50m); overnight Rapid and Special Express sleepers land near dawn. Book second-class berths on D-Ticket ahead in cool season and Candle Festival week; Grab or a short taxi hop crosses the river into town.
Overnight VIP coaches from Bangkok’s Mo Chit 2 (Chatuchak) cover the route in about 9–10 hours, with Transport Co (999), Nakhonchai Air, and other operators among the regulars. Evening departures land at Ubon Bus Terminal in Kham Yai around dawn — convenient if you want to sleep through the plateau. Daytime coaches also link Ubon with Khon Kaen, Nakhon Ratchasima, and neighbouring Isan towns.
Central Ubon is easy on foot or by Grab around Thung Si Mueang, Sapphasit Road, and riverside tables. Songthaews and motorbike taxis cover short hops; the railway station sits in Warin Chamrap across the Mun, so budget a short ride into the city. For Pha Taem, Khong Chiam, Sam Phan Bok, Kaeng Tana, and the southern parks, rent a car or hire a local driver — those Mekong and plateau days sit beyond city songthaew range.
November to February is classic Ubon: cooler dry air for Mekong cliffs, Pha Taem sunrises, and city walks. March to May is hottest — and the season when Sam Phan Bok’s rock gardens show best as the river drops. July brings the Candle Festival around Asalha Puja and Buddhist Lent; mid-April is Maha Songkran at Thung Si Mueang; Ok Phansa lights fire boats and long-boat races on the Mun. May to October greens the parks and softens the crowds after rain.
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