1. A watershed is an area where all the rivers and streams flow
WATERSHEDS OF SPAIN
A watershed is an area where all the rivers and streams flow
into the same area.

2. The Mediterranean watershed:
There are three watersheds in Spain
The Mediterranean watershed:
Is in the east and south
The Cantabrian watershed:
Is in the north
The Atlantic watershed:
Is in the west

3. The Mediterranean watershed
It has short rivers with irregular flow regimes
The longest rivers are:
which rises in the Cantabrian Mountains
which rises in the Iberian Mountain Chain.
which rises in the Subbetic Range
The Ebro:
The Jucar:
The Segura:

4. The Cantabrian watershed
has short rivers with abundant flows.
The main rivers are:
in the Basque Country
in Cantabria.
in Asturias
The Bidasoa, Oria and Nervion
The Pas, Nansa and Deva:
The Sella, Nalon and Navia

5. The Atlantic watershed
is the largest in area. Its rivers are usually long.
These rivers have an abundant flow and a regular flow regime. The Miño.
These are the longest rivers on the
Peninsula. The Duero, the Tagus and the Guadiana.
They are short and have irregular flow regimes. (With the exception of Guadalquivir)
They are deep channels
where water flows when it rains heavily. The Angustias and Infierno gullies
The rivers of Galicia:
The rivers of the Inner Plateau:
The rivers of Andalusia:
The gullies of the Canary Islands: