Sam Phan Bok, Rock formations at Mekong River in Ubon Ratchathani, Thailand
Sam Phan Bok is a section of the Mekong River featuring thousands of natural rock basins carved into the riverbed. These formations vary greatly in size and shape, from small depressions to larger potholes visible across the exposed rocks.
The rock formations here developed over millions of years as the Mekong's flowing water slowly carved into the riverbed. Seasonal changes in water levels and the river's powerful currents shaped these basins into their current form.
Local fishermen navigate these waters daily, and their boats offer a way to see how people have learned to live with the river's changing moods. The formations hold meaning for communities who depend on understanding water patterns for their livelihoods.
Plan to travel about two hours from Ubon Ratchathani to reach this location, with the best time to visit being between December and May. During these months, the water level drops enough to reveal the full extent of the rock formations.
Each basin in these rock formations carries its own pattern, with some resembling heart shapes or animal figures in the stone. These distinct forms emerged from the natural water flow over time, making each pool visually different.
The community of curious travelers
AroundUs brings together thousands of curated places, local tips, and hidden gems, enriched daily by 60,000 contributors worldwide.
