Is there any rivers flowing through Portugal?

Yes, there are several rivers that flow through Portugal. Some of the major rivers include:

1. Douro River: The Douro River is one of the largest rivers in the Iberian Peninsula. It originates in Spain and flows for approximately 290 kilometers (180 miles) through Portugal before emptying into the Atlantic Ocean near Porto. The Douro Valley is a UNESCO World Heritage Site and is famous for its port wine production.

2. Tagus River: The Tagus River is the longest river in the Iberian Peninsula. It originates in Spain and flows for approximately 1,038 kilometers (645 miles) through Portugal before emptying into the Atlantic Ocean near Lisbon. The Tagus River is an important source of water, hydroelectric power, and transportation in Portugal.

3. Mondego River: The Mondego River is the third longest river entirely in Portugal. It originates in the Serra da Estrela mountains and flows for approximately 234 kilometers (146 miles) before emptying into the Atlantic Ocean near Figueira da Foz. The Mondego River is an important source of water, hydroelectric power, and irrigation in Portugal.

4. Guadiana River: The Guadiana River is an international river that flows through Spain and Portugal. It originates in Spain and flows for approximately 744 kilometers (462 miles) before emptying into the Gulf of Cadiz near Ayamonte, Spain. The Guadiana River is an important source of water, hydroelectric power, and irrigation in Portugal.

5. Sado River: The Sado River is the longest river entirely in Portugal. It originates in the Serra da Vigia mountains and flows for approximately 180 kilometers (112 miles) before emptying into the Atlantic Ocean near Setúbal. The Sado River is an important source of water, hydroelectric power, and irrigation in Portugal.