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Discover the Riberas de Castronuño, a natural space in the central-west of Valladolid that is home to a great diversity of water birds, a riverside forest and a reservoir.
See the emblematic marsh ecosystem of the San José reservoir, which stands out for its importance for nesting and as a wintering area for various aquatic birds.

Explore the riparian forest with poplars, willows, poplars, ashes and hawthorns that accompany the river, providing shelter to important colonies of gray heron, egret and little egret.

In Castronuño, marvel at winter refuges for mallards, shovelers, pochards and cormorants. Discover historic Tordesillas with its convents, churches and palaces, where important treaties were signed in the 15th century.

Observe the rich riparian vegetation, from alameda and olmeda to holm oak and stone pine, along with thyme, broom and reed beds. This fragile place is essential as a breeding and wintering space for various species, some in danger of extinction, such as colonies of gray heron and martinet.

Enviromental Areas

wildlife
Important water birds, especially the colonies of grey heron and night heron.
Relief
Landscape of moors and fertile sedimentary plains traversed by the river Duero.
Vegetation
Riverbank forest with poplars, ash trees, alders and willows.

Get to know this natural space

Park House of the Riberas de Castronuño and Vega del Duero

In this area, visitors will find all the information they need about this site. They can explore the Vega del Duero area thanks to the camera they can adjust personally. With a little patience, in addition to the typical flora to be found here, they will...

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Enjoy this natural space

On foot and by bike

  • Area of Valdegalindo

    The route passes through vineyards, dry land farming fields and a pine forest of stone pine. In some areas, the pine forest turns...

    Journey
    Circular
    Way
    • On foot (2 h.)
    • By bike (0.3 h.)
    Length
    8.5 kms.
    Recommended
    • spring
    • summer
    • autumn
    • winter
    To know more
  • PRC-VA 9 Pathway of the almonds

    The route passes through great diversity of vegetal formations: common reed grass, forest bank, pine forests and rain fed crops.

    Journey
    Circular
    Way
    • On foot (2 h.)
    • By bike (2 h.)
    Length
    3.4 kms.
    Ascent slope
    50 m.
    Difficulty of the route
    Medium
    To know more
  • PRC-VA 12 Route of the Cañada Real. Long route.

    The route allows you to see many birds such as: the grey heron, the purple heron, the marsh harrier, European bee-eaters and cormorants.

    Journey
    Circular
    Way
    • On foot (4 h.)
    • By bike (4 h.)
    Length
    33 kms.
    Ascent slope
    150 m.
    Difficulty of the route
    Medium
    To know more
  • PRC-VA 12 Route of the Cañada Real. Short route.
    Journey
    Circular
    Way
    • On foot (2 h.)
    • By bike (2 h.)
    Length
    19 kms.
    Difficulty of the route
    Low
    To know more
  • V1 V1 - Cañadas Reales (Drovers' road) - Long Route

    Located in the Riberas de Castronuño- Vega de Duero Natural Reserve. With a length of 33 km and a medium difficulty, this long route...

    Journey
    Circular
    Way
    • On foot
    • By bike
    Length
    33 kms.
    Ascent slope
    150 m.
    Difficulty of the route
    Medium
    To know more
  • V2 V2 - Almond Tree Path

    Located in the Riberas de Castronuño- Vega de Duero Natural Reserve. This small route, only 3.4 km, begins in the Muela urban park,...

    Journey
    Circular
    Way
    • On foot
    Length
    3.4 kms.
    Ascent slope
    50 m.
    Difficulty of the route
    Medium
    To know more
  • V3 V3 - Cañadas Reales (Drovers' road) - Short Route

    Located in the Riberas de Castronuño- Vega de Duero Natural Reserve. Like the long route, it starts from Pollos, but with less mileage,...

    Journey
    Circular
    Way
    • On foot
    • By bike
    Length
    19 kms.
    Ascent slope
    150 m.
    Difficulty of the route
    Low
    To know more

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