The Dhanu is a river in Bangladesh

Bangladesh

Bangladesh , officially the People's Republic of Bangladesh is a sovereign state located in South Asia. It is bordered by India on all sides except for a small border with Burma to the far southeast and by the Bay of Bengal to the south...

.

The Dhanu, also called the Ghorautra, is a tributary of the Meghna. It flows directly southwards from Sunamganj in Sylhet

Sylhet

Sylhet , is a major city in north-eastern Bangladesh. It is the main city of Sylhet Division and Sylhet District, and was granted metropolitan city status in March 2009. Sylhet is located on the banks of the Surma Valley and is surrounded by the Jaintia, Khasi and Tripura hills...

 through the
eastern thana

Thana

Thana means "police station" in South Asian countries, and can also mean the district controlled by a police station.* Thana, along with upazila, is a subdistrict in the Administrative divisions of Bangladesh...

s of Netrakona and Kishoreganj

Kishoreganj

Kishoreganj District with an area of 2688.62 sq km, is bounded by Netrokona and Mymensingh districts on the north, Narsingdi district on the southwest and brahmanbaria district on the southeast, sunamganj and habiganj districts on the east, gazipur and Mymensingh districts on the west...

. It is navigable
year-round. It falls and rises with the daily tides and even the canals connected with it a long way inland, at places like Gag Bazar and Badla

Badla

Badla may refer to:* Badla , a carry-forward system in stock trading* Badla, Bangladesh, a settlement in Bangladesh...

, experience the effect of these tides.