Village · Guadalajara · 1,147 m
Tierzo
Tierzo is a village in the Señorío de Molina at around 1,150 metres, some 15 km from Molina de Aragón. It holds the fortified house of Vega de Arias (Casa del Cid) by the Bullones River, and the Armallá saltpans.

Rivers and basins
The thread of water from Tierzo
Follow these watercourses towards their confluences, villages, and basin history.
Traces in the village and its surroundings
Which eras you can read here
A single place can preserve traces from different eras. These layers connect what you see with the stories in the atlas.
What to see
- Fortified house of Vega de Arias.
- Armallá saltpans, along the CM-210 road.
Nearby
Baños de Tajo and Valhermoso, with its Casa Grande.
Places in and around Tierzo
Near Tierzo

Casa Grande of Valhermoso: a 1786 molinesa manor house
Valhermoso
Mirador del Pie y Medio (Fuembellida)
Fuembellida
Torre de Doña Blanca (Taravilla): Watchtower Over the Cabrillas
Taravilla
MTB route 2: the Tagus Viewpoints (Taravilla)
33 km · 4 h · Linear
Terzaga Salt Pans: Medieval Salt on the Bullones River
Terzaga
Mirador de Fina: roadside balcony over the Tagus
Taravilla
Mirador del Machorrillo: Laguna de Taravilla from above
Taravilla
Huerta del Forestal recreation area (Taravilla)
TaravillaPopulation of Tierzo, 1842–2021
Tierzo reached a peak of 393 inhabitants in 1857 . In the 2021 census there were 48 , a decrease of 88%. This is the history told in the emptying of the Alto Tajo.
Climate in Tierzo month by month
2015–2024 averages from Copernicus ERA5 reanalysis for an altitude of approx. 1,147 m. Useful for planning, not a substitute for live forecasts.
Location
● Reference point · ● Villages · ● Places
Location diagram. Detailed map with tracks and names loads on zoom.
Reference villages: Baños de Tajo · Valhermoso · Fuembellida · Terzaga.
Open the full map and historical layers →
