Lena is the 3rd largest river by drainage area in Asia at 2,490,000 km2.
Lena is a river that stretches 4,400 kilometers (or 2,734 miles) in length, draining from a 2,490,000 km2 basin in Russia.
The average volume of water flow is 15,500 m3/3 and the river flows out into Laptev Sea.