The city, which sits on the northern bank of the Mun River, was originally founded in the late 18th century by Lao immigrants and still retains many aspects of Lao style and culture. For an insight into the rich and interesting history of this area, pay a visit to the Ubon National Museum.
Ubon Ratchathani is best loved for its stunning national parks. No visit is complete without seeing the spectacular Phu Chong Na Yoi National Park, which covers an area of 687 square kilometers, featuring stunning views from the cliffs at Pha Pheung and the huge Bak Tew Yai Waterfall.
Another area of great beauty is the Kaeng Tana National Park and don't miss the Pha Taem National Park with its pre-historic cliff paintings showing scenes of fishing, rice farming, figures of people and animals.
There are many beautiful waterfalls in the area, and it is possible to swim in the clear waters of most. Some of the best include Nam Tok Saeng Chan, Nam Tok Thung Na Muang and the magnificent Nam Tok Soi Sawan.
It goes without saying that there are many interesting temples to explore, embodying design features of both Lao and Thai temple art. Look out for Wat Tung Si Muang, Wat Supattanaram, the rectangular chedi of Wat Phra That Nong Bua, Wat Si Ubon Rattanaram and many others.
Koh Hat Wat Tai is a small island in the Mae Nam Mun which is great for swimming and sunbathing. Another attraction in the area are the Warin Chamrap District Temples. These are two temples where people from all over the world gather to study meditation. Wat Nong Pa Phung is reserved for Thai people, while Wat Pa Nanachat is for non-Thais.
The silk weaving village of Wat Nong Bua is located 18 kilometers from the city and makes a great day trip, while many people travel to ride the Kaeng Saphue rapids or take a boat trip on the turbulent white waters.
Ubon has a large night market, which is a great place to get a cheap meal and buy some local produce.
If you are in the area during the festival of awk hansaa in July, make sure you stay for the Candle Festival, when processions of wax religious images are carried through the city on floats.