The eastern part of the country is drained by the Koshi River, which has seven tributaries.

Only a small part of the Basin and Range province is drained to the sea.

The northern part is drained by the Cross river and its tributaries.

The northern part of the area is drained by the River Esk and its tributaries.

The northern part of the lakeland region is drained by the River Havel, which also has its source here.

The leaking part was drained yesterday and is not expected to interfere with that test.

A small part of Belgium is also drained by the Moselle through the Our.

Large parts of the wetlands around Nakskov were drained in the 19th century.

The eastern part was drained in 1955 and the southern part in 1968.

The western part of the municipality is drained into the Ron valley.