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Village · Guadalajara · 738 m

Trillo

Trillo is a town in the Alcarria beside the Tajo and Cifuentes rivers, with around 1,400 residents. Its municipality includes Tetas de Viana, a Natural Monument since 2006. Consolidated after the Reconquista in the late 11th century, it gained a castle built by don Juan Manuel in 1325, whose ruins crown the town. It became a chartered town in 1630; the War of the Spanish Succession devastated it in the early 18th century.

Street in Trillo lined with traditional houses, descending along the hillside.
Street and houses in Trillo. Photo: «Trillo-Calles y casas 02», Oilisab (2015) · CC BY-SA 4.0

What to see in Trillo

  • Tetas de Viana, two flat-topped twin mesas beside Viana de Mondéjar, Natural Monument since 2006.
  • The ruins of the castle commissioned by Infante don Juan Manuel in 1325.
  • The Tagus River and its tributary the Cifuentes, which forms waterfalls as it reaches the town.

History

In Roman times Trillo lay on the boundary between Carpetania and Celtiberia. After the reconquest in the late 11th century, it entered the territory of Atienza. It passed to the Counts of Cifuentes in the mid-15th century and became an independent chartered town in 1630. The War of the Spanish Succession in the early 18th century devastated it: more than two hundred houses burned down and the population dropped steeply.

Outside the Señorío

Trillo lies already in the Alcarria, downstream from the Alto Tajo. Its municipal territory includes Azañón, Morillejo, La Puerta, and Viana de Mondéjar.

Routes linked to Trillo

Near Trillo

Population of Trillo, 1842–2021

Trillo reached a peak of 1,524 inhabitants in 2011 . In the 2021 census there were 1,368 .

Population trend of Trillo 1842: 670 inh.1857: 759 inh.1860: 828 inh.1877: 798 inh.1887: 826 inh.1897: 878 inh.1900: 862 inh.1910: 998 inh.1920: 1,006 inh.1930: 921 inh.1940: 952 inh.1950: 1,025 inh.1960: 914 inh.1970: 1,256 inh.1981: 1,198 inh.1991: 1,378 inh.2001: 1,356 inh.2011: 1,524 inh.2021: 1,368 inh. 1842187719001930196019912021 1,524 1,368
Between the 1970 census and the previous one, the municipal area grew by incorporating Azañón, Morillejo, La Puerta and Viana de Mondéjar. INE population censuses (1842–2021), compiled on Wikipedia.

Climate in Trillo month by month

2015–2024 averages from Copernicus ERA5 reanalysis for an altitude of approx. 738 m. Useful for planning, not a substitute for live forecasts.

JanFebMarAprMayJunJulAugSepOctNovDec
Avg. max (°C)101215182328343326211412
Avg. min (°C)134710161919141163
Rainfall (mm)504379804643121339845644
Rainy days8611118722610107
Frost days1153100000015

Location

Location: Trillo Tetas de Viana: The Twin Hills of Trillo Reference
Atlas diagram. Trillo: large reference point. Rivers: © OpenStreetMap.

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Location diagram. Detailed map with tracks and names loads on zoom.

Reference villages: Carrascosa de Tajo · Oter · Canredondo · Peralveche.

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