Ratargul Swamp Forest sylhet Bangladesh

Ratargul Swamp Forest a freshwater swamp forest located in Gowain River, Fatehpur Union, Gowainghat, Sylhet, Bangladesh. Ratargul was once thought to be the only swamp forest in Bangladesh and one of the few freshwater swamp forests in the world. Later, more swamp forests namely Jugirkandi Mayabon, Bujir Bon and Lokkhi Baor swamp forest were discovered in Bangladesh. The forest is naturally conserved under the Department of Forestry, Government of Bangladesh.

Its area is 3,325.61 acres including 504 acres (204 ha) declared as the animal sanctuary in 2015. It is known as the Sundarbans of Sylhet. This is only swamp forest in Bangladesh, located 26 kilometres (16 mi) from Sylhet. The forest's name comes from the word "Rata" or "Pati" tree used by the locals of Sylhet.

The evergreen forest is situated by the river Goain and linked with the channel Chengir Khal. Most of the trees growing here are the Dalbergia reniformis. The forest is submerged under 20–30 ft (6.1–9.1 m) water in the rainy season. For the rest of the year, the water level is about 10 ft (3.0 m) deep