Hin Sam Wan ( th, หินสามวาฬ, lit=three whales rock) is a 75-million-year-old

rock formation A rock formation is an isolated, scenic, or spectacular surface rock outcrop. Rock formations are usually the result of weathering and erosion sculpting the existing rock. The term ''rock formation'' can also refer to specific sediment ...

protruding out of a mountain in Phou Sing,

Bueng Kan Province Bueng Kan ( th, บึงกาฬ, , ), also spelled Bung Kan, is the 76th province (''changwat'') of Thailand, established by the Act Establishing Changwat Bueng Kan, BE 2554 (2011) on 23 March 2011. The province, consisting of the districts ...

, Thailand, near the Mekong River. It is so named because, from certain angles, the rocks look like a family of

whales Whales are a widely distributed and diverse group of fully aquatic placental marine mammals. As an informal and colloquial grouping, they correspond to large members of the infraorder Cetacea, i.e. all cetaceans apart from dolphins and ...

. Only two of the rocks (the "mother whale" and "father whale") are accessible by foot; the "baby whale" cannot be reached."The navel of the Mekong"
– ''

Bangkok Post The ''Bangkok Post'' is an English-language daily newspaper published in Bangkok, Thailand. It is published in broadsheet and digital formats. The first issue was sold on 1 August 1946. It had four pages and cost one baht, a considerable amount ...

'', 29 October 2020

References

External links

"Hin-Sam-Wan, Bueng Kan Province"
– Oriental Escape Landforms of Thailand Mountains of Thailand Geography of Bueng Kan province {{Asia-mountain-stub