Nilavarai Bottomless Well in Jaffna – නිලාවරයි නොසිඳෙන ලිඳ

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Nilaavarai Deep Well
Nilaavarai Deep Well

The Nilavarai Well is popular attraction in Jaffna lying in Puttur in the Navakkiri GS area of Valikaamam East division. Some times referred to as a bottomless well or Deep Well, this well is caused by collapse of the top layer, exposing a limestone cavern connected to a underground water source.   It is said that this well never dries up even during severe drought and the water is used by the farmers in the surrounding area. The dimensions of the well is 25 feet in length and 40 feet in width.  As in many large public wells in the area, a flight of steps lead to the water level which is 14 feet below the surface level.

It is said that the 1st 40 feet of water in the well is fresh and turns saline further down. It is believed that this water source is connected to the Keeramali Freshwater Pool and said that a lime fruit thrown to to the well will appear in the Keeramali sea which lies 10km way from this well.

It is also said that the water level of the well falls and rises in synchronization with the low and high tide of the sea. Unfortunately no study of this well has been carried out partly due the 30 year bloody war with with Tamil Tiger Terrorists in this part of the country which ended in 2009. Fortunately a study of this curious well has been done in mind 1800’s and was published in the 1865-66 edition of the Journal of the Ceylon Branch of the Royal Asiatic Society of Great Britain & Ireland.

To ascertain at which depth the fresh water turns in to salt water, samples of water was taken at the depths of 45 feet, 95 feet and 145 feet using a special instrument with a valve and sealed in sealed. These bottles were sent to England for chemical analysis of the content. During the test it was found that the well was definitely not bottomless but reached the bottom at a death of 145-150 feet. It was observed that the samples of water brought from the bottom smelt of strongly of sulphureted hydrogen. It was also observed that the brackishness started between 40-50 feet in depth thus it was certain that the salt water enters the well at this height.

In the next experiment three researchers measured the water levels of the Jaffna Lagoon, Valvettithurai seas and the Nilavarai well every half an hour from 6 am to 6 pm. These measurements indicated that Valvettithurai and Nilavarai  sea levels started to fall at 6.30 am and started to rise around 2-2.30 pm. But the water levels at the Nilavarai well fell in parallel with the seas at 6.30 but started to rise at 9.30 am and again fell after 2 pm. This meant that water levels in the well alternated 3 times a day while the tides alternated twice a day. Therefore the connection of the change of the water level in the well to the tides in the sea was disproved left the reason for the thrice daily water level changes in the well unanswered.

Recently  (150 years later) an automated diving robot with divers of the Sri Lankan Navy conducted an expedition to the bottom of the well. They discovered that the bottom of the well lies 52.5 meters (172 feet). It was also discovered that fresh water existed in the first  18.3 meters (60 feet)  and turned in to salty as it goes down. They also discovered number of tunnels at which lead to differnt directions at various heights and debris of 3 carts which had fallen to the well.

It is often speculated that the place name Nilaavarai might have come from Nilava’rai (Nila+a’rai: underground chamber), linking the place name with the subterranean water source. The well is always referred to as Nilaavaraik-ki’na’ru.

However, there is a strong possibility that the place name might have come from the natural vegetation Nilaavarai, which is abundantly found in the locality.

The discovery of a elegant  tosro of a Buddha image  carved from limestone from location at Nilaavarai, decades ago, signify the archaeological potent of the location. The place name Navakkiri may have connections to the Buddhist heritage. Not far from the place of find of the statue are the remains of a dagaba which may belong to the 10th century. Nearby are also the remains of a rectangular building which may have been an image house. At the site a Bo-tree and a deep well are seen.

Though a popular place, this well has not been maintained other than for a cement wall surrounding it. It is overgrown with weed and the water is stale and no way suitable even to bath.

References

  1. POOTTOOR WELL. (1865). The Journal of the Ceylon Branch of the Royal Asiatic Society of Great Britain & Ireland, 4(13), 123-127.

Also See

Map of  Nilavarai Bottomless Well in Jaffna


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Traveling Directions to Nilavarai Bottomless Well in Jaffna

Route 01 from Colombo to Jaffna

Route 02 from Colombo to Jaffna

Though : Kurunegala – Dambulla – Anuradhapura – Vavunia
Distance :400 km
Travel time : 7-8 hours
Driving directions : see on google map
Through : Puttlam – Anuradhapura – Vavunia
Distance : 400 km
Travel time : 7-8 hours
Driving Directions : see on google maps

Route 01 from Jaffna Town to  Nilavarai Well

Though : Kurunegala – Dambulla – Anuradhapura – Vavunia
Distance :400 km
Travel time : 7-8 hours
Driving directions : see on google map

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