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Ubon's biggest event. Held in early-July on Khao Phansa day, which marks the beginning of the rainy season retreat. For three months, monks do not leave their temple except for an emergencies, and laypersons vow to abstain from drinking alcohol as well as bonking. Huge wax candles are displayed in Thung Si Muang Park, which are carried around town in a procession the next morning.
อุทยานแห่งชาติภูจอง-นายอย
The park covers a total area of . Its boundary connects to Laos and Cambodia in the area called the Emerald Triangle.
อุทยานแห่งชาติผาแต้ม
The park features plateaus, undulating hills, and towering cliffs with strange sandstone formations scattered around. The park is covered mostly by deciduous dipterocarp forest and wild flowers can be found on the rock terrace.
อุทยานแห่งชาติแก่งตะนะ
The park features plateaus and undulating hills with deciduous dipterocarp forest and grassland.