Don Hoi Lot (, ) is a sandbar off the coast of

Samut Songkhram Province Samut Songkhram (, ) is one of the central Provinces of Thailand, provinces (''changwat'') of Thailand. Neighbouring provinces are (from the south clockwise) Phetchaburi province, Phetchaburi, Ratchaburi province, Ratchaburi and Samut Sakhon pr ...

at the northwestern tip of the

Bay of Bangkok The Bay of Bangkok (, , , sometimes informally อ่าวตัว ก), also known as the Bight of Bangkok, is the northernmost part of the Gulf of Thailand, roughly extending from Hua Hin District to the west and Sattahip District to the e ...

. The sediments of the

Mae Klong River The Mae Klong (, , ), sometimes spelled Meklong, is a river in western Thailand. The river begins in Kanchanaburi Province and flows across Ratchaburi Province and Samut Songkhram Province. Course The origin of the river is in Kanchanaburi to ...

together sediments from the sea form a system of mudflats, which are populated by razor clams (''

Solen regularis Solen may refer to: * Solen, Ancient Greek name for the Thamirabarani River * Solen, North Dakota * ''Solen'' (bivalve), a genus of molluscs in family Solenidae * ''Solen'' (ship), a Swedish galleon * Solen Désert-Mariller Solen Désert-Marille ...

''), which also gave the site its Thai name. The site has the largest population of this species, which is endemic to the northern

Gulf of Thailand The Gulf of Thailand (), historically known as the Gulf of Siam (), is a shallow inlet adjacent to the southwestern South China Sea, bounded between the southwestern shores of the Indochinese Peninsula and the northern half of the Malay Peninsula. ...

. Also 18 bird and 42

invertebrate Invertebrates are animals that neither develop nor retain a vertebral column (commonly known as a ''spine'' or ''backbone''), which evolved from the notochord. It is a paraphyletic grouping including all animals excluding the chordata, chordate s ...

species are recorded at the mudflats and the adjoining coastal

mangrove A mangrove is a shrub or tree that grows mainly in coastal saline water, saline or brackish water. Mangroves grow in an equatorial climate, typically along coastlines and tidal rivers. They have particular adaptations to take in extra oxygen a ...

forests. The mudflat ''Don Nai'' is on the coast. Nearby, the highly revered shrine of Prince Chumphon Khet-Udomsak attracts Thai visitors. Since 5 July 2001 the site has been registered as Ramsar site number 1099. Don Hoi Lot is named after the tubular shellfish, known as razor clams or "worm shells" in English. the area covers three kilometres in width and five kilometres long in Tambon Bang Chakreng.

References

External links

Office of National Resources and Environment Policy and Planning on Don Hoi Lot
{{National and forest parks in Thailand Ramsar sites in Thailand Geography of Samut Songkhram province