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Khao Sam Roi Yot National Park
Khao Sam Roi Yot National Park
IUCN category II (national park)
	Harbor, Bang Pu
	Map of Thailand
Location	Prachuap Khiri Khan Province, Thailand
Nearest city	Pranburi
Coordinates	12°10′57″N 99°56′54″E / 12.18250°N 99.94833°E
Area	98 km2 (38 sq mi)
Established	1966
Visitors	164,735 (in 2019)
Governing body	Department of National Parks, Wildlife and Plant Conservation
Ramsar Wetland
Official name	Khao Sam Roi Yot Wetland
Designated	8 January 2008
Reference no.	2238

Khao Sam Roi Yot National Park (Thai: อุทยานแห่งชาติเขาสามร้อยยอด, RTGS: Utthayan Haeng Chat Khao Sam Roi Yot, pronounced [ʔùt.tʰā.jāːn hɛ̀ŋ tɕʰâːt kʰǎw sǎːm rɔ́ːj jɔ̂ːt]) is a marine national park in Kui Buri District, Prachuap Khiri Khan Province, Thailand.^[2] It covers 61,300 rai ~ 98 square kilometres (38 sq mi)^[3]^[4] of which 13,050 rai ~ 21 square kilometres (8.1 sq mi) are marine areas. The park was established in 1966, and was the first coastal national park of Thailand. The park includes Thailand's largest freshwater marsh.^[5]

Geography

The limestone hills are a sub-range of the Tenasserim Hills that arise at the shore of the Gulf of Thailand, with the highest elevation being Khao Krachom at 605 meters (1,985 ft). Between the hills are freshwater marshes. Several of these marshes were converted into shrimp farms, as only 22,000 rai ~ 35 square kilometres (14 sq mi) of the total 43,000 rai ~ 69 square kilometres (27 sq mi) of marshes are part of the national park. A portion, 11,000 rai ~ 18 square kilometres (6.9 sq mi), of these marshes are scheduled to be declared a Ramsar site.

Two white sand beaches are in the park, Hat Laem Sala and Hat Sam Phraya. Hat Laem Sala is 17 km from park headquarters and can be reached from the village Ban Pu either by boat or by climbing up and down over a hill for nearly 30 minutes. Five uninhabited islands lie just offshore.

The park is approximately 58 kilometers (36 mi) south of Hua Hin.

The origin of the name "Khao Sam Roi Yot" is undetermined. Local lore has it that it means 'mountain with 300 peaks',^[2]^[6] or the range had been an island where 300 survivors from a sinking Chinese junk sought refuge, or the range was named after a local plant called sam roi yot.^[4]

Phraya Nakhon Cave

Phraya Nakhon Cave (ถ้ำพระยานคร) is about 500 meters (1,600 ft) from Laem Sala Beach, approximately 17 kilometers (11 mi) north of park headquarters. Visitors can go to the cave by renting a boat or by walking across Tian Mountain. After that, there is a climb up the mountain about 430 meters (1,410 ft) to reach Phraya Nakhon Cave. Its most famous early visitor was King Chulalongkorn.^[4]

There is a water well at the foot of the mountain known as Phraya Nakhon Well. It is made of baked clay bricks in a trapezoidal shape.

Phraya Nakhon is a large cave which has a hole in the ceiling allowing sunlight to penetrate. At the top of the hole, there is a stone bridge known as "death bridge" because many wild animals have fallen to their deaths from it.

Photograph of a small royal pavilion basking in the sunlight shining through the roof of a large cavern — Khuha Kharuehat pavilion, Phraya Nakhon Cave

Khuha Kharuehat Pavilion (พระที่นั่งคูหาคฤหาสน์) is a historic site built for King Chulalongkorn's visit to the region in 1890. At certain times during certain months, the sun will shine directly on it. The pavilion has since become the symbol of the Prachuap Khiri Khan Province. Later kings also visited the cave, including King Vajiravudh and King Bhumibol Adulyadej.

Klong Khao Daeng

Klong Khao Daeng is a 4-kilometer-long (2.5 mi) stream running deep into mangrove forests at one end and at its mouth freshwater and seawater collide. The mangroves consist of the samae thalay (grey mangrove), kongkang bai lek (true mangrove), kongkang bai yai (red mangrove), and chakhram (herbaceous seepweed).^[4]

Climate

The temperature in winter (between October - February) ranges from 18˚C to 25˚C.

The temperature in summer (between March - May) ranges from 23˚C to 32˚C.

The temperature in the monsoon season (between June - September) ranges from 20˚C to 30˚C.

Fauna

The park is home to a variety of birds, including the common kingfisher, the black-capped kingfisher, the collared kingfisher, the little heron, the little egret, and the Javan pond-heron. Wildlife found in the mangroves includes pla teen (mudskippers), pu kam dab (fiddler crabs), ling samae (the crab-eating macaque), collared kingfisher (nok kin pieo), snapping shrimp (kung deed khan), mud creeper (hoi khika), and oysters (hoi nangrom).^[4]^[7] Rare animals in the park include the mainland serow (Nemorhaedus sumatraensis), dusky langurs (Trachypithecus obscurus), fishing cats (Prionailurus viverrinus) (Thai: เสือปลา; RTGS: suea pla),^[5] as well as many bird species. At sea, Irrawaddy dolphins (Orcaella brevirostris) are sometimes seen.^[8]

History

Khao Sam Roi Yot was probably where King Mongkut hosted European guests on 18 August 1868 to observe a total solar eclipse. The king was interested in astronomy and had calculated the date and location of the eclipse himself. His calculations proved better—by about two seconds—than those of French astronomers, who acknowledged his accuracy. He contracted malaria, possibly during that event, and died on 1 October.

The national park was created on 28 June 1966,^[9] with an original area of 38,300 rai ~ 61 square kilometres (24 sq mi). It was enlarged with 23,000 rai ~ 37 square kilometres (14 sq mi)^[3] on 1 April 1982.^[10]

Archaeology

The discovery of 3,000 years old cave paintings was announced by archaeologists from the Fine Arts Office in May in 2020. Some of the depicted pictures are still visible and clear, while some paintings were damaged by limestone etching. According to archeologist Kannika Premjai, paintings describe humanlike figures with accessories on their bodies, hunting scenes with bow and arrow. Moreover, there is also an animal figure seems to be serow (a goat-like mammal found regionally) found among the drawings.^[11] In October 2020, more rock art was discovered in unmapped caves in Sam Roi Yot National Park, dating back to between 2,000 to 3,000 years ago.^[12]

References

^ "Khao Sam Roi Yot Wetland". Ramsar Sites Information Service. Retrieved 25 April 2018.
^ ^a ^b "Khao Sam Roi Yot National Park". Department of National Parks (DNP) Thailand. Archived from the original on 15 October 2015. Retrieved 14 August 2015.
^ ^a ^b "ข้อมูลพื้นที่อุทยานแห่งชาติ ที่ประกาศในราชกิจจานุบกษา 133 แห่ง" [National Park Area Information published in the 133 Government Gazettes]. Department of National Parks, Wildlife and Plant Conservation (in Thai). December 2020. Retrieved 1 November 2022, no 4{{cite web}}: CS1 maint: postscript (link)
^ ^a ^b ^c ^d ^e Svasti, Pichaya (21 June 2018). "Close to Nature". Bangkok Post. Retrieved 21 June 2018.
^ ^a ^b Jewett, Katie (6 December 2016). "Fishing-Cat's Cradle". Bangkok Post. Retrieved 6 December 2016.
^ "Khao Sam Roi Yot National Park". Tourism Authority of Thailand (TAT). Retrieved 13 June 2021.
^ "Khao Sam Roi Yot National Park". Thai Birding. Retrieved 13 June 2021.
^ Elliot, Stephan; Cubitt, Gerald (2001). The National Parks and other Wild Places of Thailand. New Holland Publishers (UK) Ltd. pp. 48–53. ISBN 9781859748862.
^ "Royal Decree specifying the area as a National Park in 1966" (PDF). Royal Gazette (in Thai). 83 (53 ก): 420–423. 28 June 1966. Archived from the original (PDF) on October 11, 2011.
^ "Royal Decree to expand the size of the National Park in 1982" (PDF). Royal Gazette (in Thai). 99 (46 ก special): 5–8. 1 April 1982. Archived from the original (PDF) on October 11, 2011.
^ "Ancient cave paintings discovered in western Thailand". Microsoft News. Archived from the original on 2020-06-29. Retrieved 2020-05-31.
^ Chen, Dene-Hern (6 October 2020). "Cave raiders: Thai archaeologists hunt ancient artwork". Phys.org. Retrieved 13 June 2021.