The River Segre and Utxesa Nature Trail begins at Torres de Segre (El Segrià - Spain), which is 15 km from Lleida (Spain). It connects a section of the river Segre with the Utxesa reservoir and surrounding area. The total length of the route is 13.5 km and it almost the whole route is in the municipal district of Torres de Segre though near Utxesa it also passes through part of the municipal district of Aitona.

On account of its natural value, Utxesa has been included in the Pla d'Espais d'Interès Natural (PEIN - Plan for Places of Natural Interest) and in Xarxa Natura 2000(Nature 2000 Network) in the section for the Drylands of Segrià-Garrigues. It has also been catalogued as a Zona d'Especial Protecció per les Aus (ZEPA - Special Protection Area for Birds).

There are also plans to include the section of the river Segre that passes through Torres de Segre when Xarxa Natura 2000 is extended.

The PEIN of Utxesa includes parts of the municipal districts of Torres de Segre, Aitona and Sarroca de Lleida. It is formed by the reservoirs of Utxesa-Secà, Simó and Burgebut, with their respective tail ends as humid zones; and also includes the tablelands of the Tossal de Carrassumada and the Tossals de Sunyer as wilderness areas.

All along the River Segre and Utxesa Nature Trail it is possible to enjoy a wide variety of landscapes where visitors will find numerous plant and animal species and a particularly large number of birds.