Tanguar Haor: of crystal blues and emerald greens.

Tanguar haor (Bengali: টাঙ্গুয়ার হাওর), (also called Tangua haor), located in the Dharmapasha and Tahirpur upazilas of Sunamganj District in Bangladesh, is a unique wetland ecosystem of national importance and has come into international focus. The area of Tanguar haor including 46 villages within the haor is about 100km2 of which 2,802.36 ha2 is wetland. It is the source of livelihood for more than 40,000 people.

Swamp Forest Ratargul : Amazon of Bangladesh

Ratargul Swamp Forest is a freshwater swamp forest located in Gowainghat, Sylhet, Bangladesh. It is the only swamp forest located in Bangladesh and one of the few freshwater swamp forest in the world. The forest is naturally conserved under the Department of Forestry, Govt. of Bangladesh.

The evergreen forestis situated by the river Goain and linked with the cannel Chengir Khal. Most of the trees grow here are Pongamia pinnata (Koroch tree). The forest goes under 20-30 feet water in the rainy season. Rest of the year the water level is about 10 feet deep