Visiting Diem Dien Salt Marsh in Thai Binh Province

During the journey to Thai Binh, many visitors come to Diem Dien traditional village where the salty white salts of the sea are born.

Located 110 km to the southeast of Hanoi, the town of Diem Dien, Thai Thuy District, Thai Binh Province is one of the 3 largest biosphere reserves of the Red River Delta. According to Sino-Vietnamese meaning, Diem is salt, Dien means the field; therefore, the original meaning of the word Diem Dien is saline, or salt marsh. The name of the craft village tells visitors about the traditional job of the villagers, which is to produce salt and inshore fishing.

A worker is watering the saltern, this will help the salt to crystallize more quickly

Water in Diem Dien territorial waters has the standard salinity to produce grains of write salt. Traditional craft villages making salt has existed for a long time. Salt crop starts from about April to July anually. Especially, April and June are the best time to produce the big and salty grains of white salt because there are south wind and baking sun in these months.


A working day of Diem Dien people starts early in the morning. The first stage in producing salt is the tilage (the preparation of land for producing crops). People soak sand with sea water, then they level the sand, dry them on the plots of land and water them with sea water. When the sand dries, small grains of salt crystallize on the grains of sand.

In midday, from 12a.m to 1p.m, it is the time when people use the sea water salinity measurements (Refractometer measuring salinity) to determine the salinity. This work contributes to ensure the stable quality and quantity (production) of salts. Sea water curdles to become grain of salt when its saltinity reaches 25 - 30 degrees.

Harvesting salt

In the baking sun of the summer, on each plots of salt, people work very hard to reap the fruit of their labour. They are happy to work in the burning sunshine, to hope that the crop will be more abundant than usual and the salt will be pure white. However, if there is a sudden rain, farmers have to start again from the first stage, which is a waste of time and effort.

At about 2 p.m14h everyday, salt starts crystallizing on the field, farmers harriedly harvest the salt. Salts are gathered into white heaps reflecting on the surface of the field and creating unique paintings. Each mound of salt is landed so that the steam will evaporate, then it is packed.

The salt field spreads and is beautiful in the sunshine

Although making salt is a hard job, but people in this coastal area areycaafnill laborious with their occupation. If you have an opportunity to come here and experience the process of making salt, you will respect the salty grains of salt, and love the wỏking people in the white salt fields.

Diem Dien coast is also famous for the delicious fiddler crab sauce. Thai Thuy people usually invite guests to their houses to enjoy the local specialities such as Nhệch fish salad, sour jellyfish, jellyfish salad, …. Tourists coming here can also take a trip to Thuy Truong mangrove forest, An Co temple, the temple worshiping the ancestor of Salt- making job, Nguyen Duc Canh monument…

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