From Abionzo, you can clearly see the flat alluvial plain and the broad river terrace between Tezanos and Santibáñez. The PR-S56 Río Rubionzo y la Zarrizuela also begins here, a short walking route through the Río Rubionzo basin between the municipalities of Saro and Villacarriedo. A specific trail and a distinctive cultural landscape meet here.

The PR-S56: Walk and estimated time

The return leg of the PR-S56 follows the same path. The entire walk is estimated to take about an hour and a half; this duration therefore refers to the whole route, not just the return. This makes it easy to plan the walk as a separate part of your day. It is a short walking route through the Río Rubionzo basin, between Saro and Villacarriedo.

River terrace and terraced slopes

The view from Abionzo takes in two distinct landforms: the flat alluvial plain and the broad river terrace between Tezanos and Santibáñez. The traditional layout of the cultivated land is also still visible on the village’s terraced slopes. Today, meadows shape the landscape and its use. Traditional forms of cultivation and present-day land use coexist, while the terraced structure remains in view.

Forest and village character

One landscape feature of the PR-S56 is a small Atlantic oak forest on a north-facing slope. The route also passes through Monte de Zarrizuela, a small, well-preserved area of native broadleaf forest with oak and chestnut trees. These features have different distinguishing characteristics: the oak forest is notable for its north-facing slope, while Monte de Zarrizuela stands out for its mix of oak and chestnut trees and its good state of preservation.

In eastern Abionzo, Barrio Concejero retains its particularly rural character. Narrow streets and small squares shape the neighborhood. The village’s traditional houses include two-storey buildings with attached solanas, arranged in rows. Alongside the river terrace, slopes and woodland, the village’s architecture is also one of Abionzo’s defining features.

Hydropower and historical traces

The PR-S56 includes remains of pre-industrial hydropower generation, which dates back to the 18th century. The Molino de Rubionzo mill illustrates how the people of this area once made intensive use of their natural resources. It has since been converted into a country house and retains its machinery and associated infrastructure, including bridges, dams, canals and cart tracks.

The Güemes-Campero family is also connected with Abionzo. People associated with the family include Gabriel de Güemes Montero, royal treasurer under Charles III, and Martín Miguel de Güemes, a hero of Argentine independence. This biographical connection adds another historical dimension to the story of hydropower.

For your planning, there is a clear choice to consider: the PR-S56 offers a walk with an estimated total duration of an hour and a half, while the village and cultural landscape also draw attention to landforms, village architecture and historical energy generation. You can decide whether the route or these different features of Abionzo better suit your travel interests.

Discover more destinations: Bostronizo, Torices, Alfoz De Lloredo, Lavín, Guardamino, Orejo, Bárcena de Pie de Concha, La Gándara

For the broader travel overview: Cantabria.