|Location||Jaffna District, Sri Lanka|
|Native name||வடமராட்சி கடல்நீரேரி|
|Primary outflows||Indian Ocean|
|Surface area||77.87 square kilometres (30.07 sq mi)|
|Max. depth||2 metres (6.6 ft)|
|Surface elevation||Sea level|
Vadamarachchi lagoon (Tamil : வடமராட்சி கடல்நீரேரி) is a lagoon in Jaffna District, northern Sri Lanka. The lagoon is sometimes referred to as Thondamannar lagoon. The lagoon separates the Vadamarachchi region from the Valikamam and Thenmarachchi regions.
The lagoon is connected to the Indian Ocean by a narrow channel to the north, near the town of Thondamannar. The lagoon's water is brackish to saline. There is a sluice gate at Thondamannar to prevent sea water entering the lagoon.
The lagoon is surrounded by a densely populated region containing palmyra palms, coconut palm, grassland, rice paddies, arid scrubland and open forest.
The lagoon has extensive mudflats, seagrass beds and mangrove swamps, particularly Avicennia. The lagoon attracts a wide variety of water birds including American flamingoes, ducks, gulls, terns and other shorebirds.
The Sri Lankan Civil War was a civil war fought in Sri Lanka from 1983 to 2009. Beginning on 23 July 1983, there was an intermittent insurgency against the government by the Velupillai Prabhakaran led Liberation Tigers of Tamil Eelam. The LTTE fought to create an independent Tamil state called Tamil Eelam in the north-east of the island, due to the continuous discrimination and violent persecution against Sri Lankan Tamils by the Sinhalese dominated Sri Lankan Government.
Batticaloa is a major city in the Eastern Province, Sri Lanka, and its former capital. It is the administrative capital of the Batticaloa District. The city is the seat of the Eastern University of Sri Lanka and is a major commercial city. It is on the east coast, 111 kilometres (69 mi) south of Trincomalee, and is situated on an island. Pasikudah is popular tourist destinations situated 35 km northwest with beaches and flat year-round warm-water shallow-lagoons.
Mavil Aru is a waterway that supplies water to some regions of eastern Sri Lanka. The closing of the sluice gates is considered to be the official beginning of the Eelam War IV although violence including skirmishes and bombings happened before.
Jaffna Lagoon is a large lagoon off Jaffna District and Kilinochchi District, northern Sri Lanka. The lagoon is surrounded by the densely populated Jaffna Peninsula containing palmyra palms, coconut plantations, and rice paddies. There are numerous fishing villages and some salt pans. The lagoon has extensive mudflats, seagrass beds and some mangroves. The lagoon attracts a wide variety of water birds including American flamingoes, ducks, gulls, terns and other shorebirds.
Eelam War IV is the name given to the fourth phase of armed conflict between the Sri Lankan military and the separatist Liberation Tigers of Tamil Eelam (LTTE). Renewed hostilities began on the 26 July 2006, when Sri Lanka Air Force fighter jets bombed several LTTE camps around Mavil Aru anicut. The government's casus belli was that the LTTE had cut off the water supply to surrounding paddy fields in the area. Shutting down the sluice gates of the Mavil Aru on July 21 depriving the water to over 15,000 people - Sinhalese and Muslim settlers under Sri Lankan state-sponsored colonisation schemes in Trincomalee district. They were denied of water for drinking and also cultivating over 30,000 acres of paddy and other crops. The fighting resumed after a four-year ceasefire between the Government of Sri Lanka (GoSL) and LTTE. Continued fighting led to several territorial gains for the Sri Lankan Army, including the capture of Sampur, Vakarai and other parts of the east. The war took on an added dimension when the LTTE Air Tigers bombed Katunayake airbase on March 26, 2007, the first rebel air attack without external assistance in history.
Operation Liberation also known as the Vadamarachchi Operation was the military offensive carried out by the Sri Lankan Armed Forces in May and June 1987 to recapture the territory of Vadamarachchi in the Jaffna peninsula from the LTTE. At the time it was the largest combined services operation undertaken by the armed forces deploying multiple brigade size formation, becoming the first conventional warfare engagement on Sri Lankan soil after the end of British colonial rule. The operation involved nearly 8,000 troops, supported by ground-attack aircraft, helicopter gunships and naval gun boats. The offensive achieved its primary objective, however operations were suspended when the Indian government dropped food supplies over Jaffna in Operation Poomalai on June 4, 1987, which prompted the Sri Lankan government to accept the Indo-Sri Lankan Accord.
The Northern Theater of Eelam War IV refers to the fighting that took place in the northern province of Sri Lanka between July 2006 and May 18, 2009.
Kokkilai lagoon is an estuarine lagoon in Mullaitivu District and Trincomalee District, north-east Sri Lanka. The town of Kokkilai is located on a sand bar between the lagoon and the Indian Ocean.
Uppu Aru lagoon is a lagoon in Jaffna District, northern Sri Lanka. The lagoon separates the Valikamam region from the Thenmarachchi region.
Chundikkulam Lagoon is a lagoon in Jaffna District and Kilinochchi District, north-east Sri Lanka. The town of Chundikkulam is located on a narrow piece of land between the lagoon and the Indian Ocean. The lagoon is sometimes referred to as Elephant Pass Lagoon.
Nai Aru Lagoon is an estuarine lagoon in Mullaitivu District, north-east Sri Lanka.
Ullackalie Lagoon is a lagoon in Trincomalee District, eastern Sri Lanka.
Mundal Lagoon is a lagoon in Puttalam District, western Sri Lanka. The lagoon is sometimes referred to as Mundal Lake.
Sanmugam Arumugam was a Ceylon Tamil irrigation engineer and writer.
The Northern Province is one of the nine provinces of Sri Lanka, the first level administrative division of the country. The provinces have existed since the 19th century but did not have any legal status until 1987 when the 13th Amendment to the Constitution of Sri Lanka established provincial councils. Between 1988 and 2006 the province was temporarily merged with the Eastern Province to form the North Eastern Province. The capital of the province is Jaffna. The majority of the Sri Lankan Civil War was played out in this province.
Valvettithurai, sometimes shortened as VVT or Valvai, is a coastal town of Jaffna District on the northeast coast of the Jaffna Peninsula in Northern Province, Sri Lanka governed by an Urban Council of the same name. Valvettithurai was historically known for its seafaring traditions and olden transnational shipping trade.
Mathiaparanan Abraham Sumanthiran is a Sri Lankan Tamil lawyer, politician and Member of Parliament.
Thondamannar Bridge(Tamil: தொண்டைமானாறு பாலம், Thondamanaru Palam ?) is a road and pedestrian bridge on the Jaffna - Point Pedro highway across the Vadamarachchi Lagoon near the Valvettithurai town of the Northern Province, Sri Lanka in Sri Lanka. It was built in 1953 and destroyed in 1987, and rebuilt afterwards in 2004.
Iranamadu Tank is an irrigation tank in northern Sri Lanka, approximately 3 mi (5 km) south east of Kilinochchi.
Chundikkulam National Park is a national park in northern Sri Lanka, approximately 12 km (7 mi) north east of Kilinochchi.