Soon after the turn, she is joined by a large river on the left, her last major tributary.

The river has three major tributaries, and many minor ones.

The principal river systems and their major tributaries are described below.

No major tributaries, but many of them are also gorges.

The Caucagua is its only major tributary from the south.

There are over 50 major tributaries to the once free flowing and perennial river.

It is also a major tributary of the Tone River.

All its major tributaries enter the Tagus from the right (north) bank.

In addition, some of the rivers have major tributaries.

Today, large dams impound the river and almost all of its major tributaries.