Tanguarhaor is located in the Dharmapasha and Tahirpur upazilas of Sunamganj District Bangladesh covering 10 villages. This wetland is home to about 208 species of birds, 150 species of water plants, 34 species of reptiles and 11 species of amphibious. Tanguar Haor is one of the biggest lake in Bangladesh .Lot of Beel (most of the time those land watered), River and swamp area all together makes Tanguar Haor . Taker Ghat ,Jadukata River , Barik tila are most beautyful place in Tanguar Haor .
Tanguar haor also famous for migratory birds . People love to visit tanguar haor in two session . 1/ in winter session and 2/ in rainy session. Tanguar haor is unique wetland ecosystem with enormous natural beauty. This haor having an area of 100sq km and consisting of 120 small and large (canals) is in its youth during the monsoon. During the winter the haor becomes home migratory birds. Nature lovers and tourists may make an arrangement for at least two days to make a trip to the fascinating Tanguarhaor.
UNESCO declared Tanguar haor as one of the Ramsar sites in 2000 and considered this wetland world heritage on account of its international significance in terms of ecology, botany, zoology, limnology or hydrology for civilization. Its transparent water and live fish species make this water body a natural aquarium as well as its surrounding landscape of Shillong massif and Garo-Khasia hills make a beautiful site to dissolve in nature to forget tiredness of busy life.
There are more than 140 species of fresh water fish in the haor. You can have a taste of the haor fishes if you make a visit to the haor. The more predominant among them are: rui, katol, ayir, boal, gang magur, tara, baim, gulsha, gutum, tengra, titna, gaajar, garia, beti, kakia etc. Leuchchhamara and Berberiabils are free abodes for birds of many species in Tanguarhaor. Besides, you will find birds in other bils, including RouarBil, GazariarBil, AlomerDoar, SangsarBil, KoikhaliBil, ChhunkholaBil, JittolarGop, FoillarBil,
RupabhuiBil, Sattar Bil, MoisherGata, BaloarDoba, AmchharerBil, KauarBil, AnsarerBil, KhajuriBil, AinnarBil and NolkathirBil. Keeping a binocular while travelling will make watching the birds more enjoyable.