White church with tower and green trees against a blue sky. Arturo Francisco Barbero, CC BY-SA 4.0

Trescasas

Castile and León

1,130Population
32.66 km²Area
1,128 mElevation
40194Postal code
1100Founded

Trescasas is a municipality located in the province of Segovia, within the autonomous community of Castile and León. Characterized by its rich history and proximity to the Sierra de Guadarrama, it comprises the population entities of La Atalaya, Sonsoto, and Trescasas itself.

02Geography

Trescasas is situated in a diverse geographical area, bordered by the SG-P-6121 road, which connects to the CL-601 and N-110 routes. The municipality is divided into two regions: Tierras de Segovia and La Vera de la Sierra, each with its own historical significance and geographical features.

Climate
Mediterranean with oceanic influence
Flora
Pastures, thorny shrubs, and reforested pines

03History

The history of Trescasas dates back to its founding around 1100, with its name appearing in documents from 1247. The area has seen various phases of settlement, from prehistoric times through Roman and Visigothic occupations, to its role during the Reconquista.

Trescasas is a municipality in Segovia, known for its history and proximity to the Sierra de Guadarrama.

04Economy

Historically, Trescasas relied on agriculture and livestock, particularly due to its location along the Cañada Real Soriana Occidental. In modern times, the economy has diversified, with the Bezoya water bottling plant playing a significant role, alongside rural tourism.

Houses and mountains in Trescasas, Segovia
View of Trescasas with traditional houses and mountains in the background in Segovia, Spain
Square with trees and paths in Trescasas, Segovia, Spain.
View of a square in Trescasas with trees and paths on a cloudy day.

05Flora and Fauna

The natural environment of Trescasas is characterized by diverse flora and fauna, including various protected species. The municipality is home to a significant number of animal species, including amphibians, reptiles, and birds, making it a vital area for biodiversity.

06Cultural Heritage

Trescasas boasts a rich cultural heritage, with remnants of its historical architecture and significant archaeological sites. The area reflects its medieval past through various structures and the ongoing preservation efforts of its historical sites.

Trescasas · Data
Province
Segovia
Autonomous community
Castile and León
Population
1,130
Area
32.66 km²
Elevation
1,128 m
Postal code
40194
Founded
1100
Website
http://www.aytotrescasas.es/
Coordinates
40.9585, -4.0378

Photos

Street view in Trescasas, Segovia, with houses and trees.
View of the street in Trescasas, Segovia, with houses and trees on the sides.
Old inscription plaque on stone wall about Sonsoto in Trescasas.
Old inscription about Sonsoto in Trescasas, Segovia, on a stone wall.
Entrance sign to Sonsoto in Trescasas, with pedestrian crossing and warning sign.
Sign indicating the entrance to Sonsoto, Trescasas, Segovia, next to a pedestrian crossing and warning sign.
Sign indicating a reserve in the Sierra de Guadarrama in Trescasas.
Sign for a protected area in the Sierra de Guadarrama in Trescasas, Segovia.
Ciguiñuela River surrounded by trees and grass in Trescasas.
The Ciguiñuela River flows through a green, wooded landscape in Trescasas, Segovia.

Frequently asked questions

White church with tower and green trees against a blue sky.

What is the Iglesia de la Concepción in Trescasas?

Iglesia de la Concepción is a neoclassical church located in Trescasas, built under the orders of Carlos III. It was constructed to replace an older Romanesque church, which was repurposed as a cemetery. This church serves as the main parish for the town, symbolizing the historical connection between Trescasas and Sonsoto.

Sights Iglesia de la Concepción

How did Trescasas get its name?

The name Trescasas is believed to originate from the three shearing houses historically used for transhumance in the area. However, historical references dating back to 1247 suggest that the name predates these structures. It may also refer to three buildings or settlements sharing water rights from the nearby river Cambrones.

History For residents

What are the main geographical features of Trescasas?

Trescasas is bordered by the Sierra de Guadarrama, featuring significant elevations like Pico de La Atalaya and Pico de La Fecha. The municipality includes 456 hectares of the national park and is part of the protected areas for wildlife, making it a significant location for nature enthusiasts.

Nature

What kind of wildlife can I find in Trescasas?

Trescasas is home to a diverse range of wildlife, including 166 species of animals. Notable species include the Iberian wolf and various birds of prey such as the golden eagle and black vulture. The area also supports numerous amphibians and reptiles, making it a rich habitat for biodiversity.

Nature

Is there any local food specialty in Trescasas?

While specific food specialties for Trescasas aren't detailed, the region is known for its agricultural and livestock activities. Local cuisine often features traditional Castilian dishes, which may include lamb and various dairy products, reflecting the area's agrarian roots.

Food & drink

What is the historical significance of the river Cambrones?

The river Cambrones has been vital for the local community, historically managed by the Noble Junta de Cabezuelas for water distribution. Its importance is highlighted in documents dating back to the 15th century, emphasizing its role in sustaining local agriculture and settlements.

History For residents

Are there any annual events in Trescasas?

The reference material does not specify annual events in Trescasas. However, like many small towns in Spain, it likely hosts local festivals and celebrations related to agricultural cycles or religious observances, common in the region.

Festivals & events

What are the main challenges facing Trescasas today?

Trescasas faces challenges related to urban development and maintaining its rural character amidst population growth. The proximity to Segovia has led to increased infrastructure demands, impacting the local environment and community dynamics.

Living there For residents

How has the population of Trescasas changed over time?

The population of Trescasas has seen significant growth, especially in the 21st century, increasing due to its appeal as a suburban area near Segovia. As of 2025, it has a population of 1,130, reflecting its transformation into a more urbanized community.

Living there For residents

What is the climate like in Trescasas?

Trescasas has a Mediterranean climate with oceanic influences, characterized by mild, dry summers and cool winters. The average temperature during the warmest month does not exceed 22 °C, making it a pleasant environment for outdoor activities.

Nature

Map

Nearby

Square with benches, trees, and houses in Espirdo, Segovia.
Espirdo
Segovia · 1,613 inhabitants

Own text, written with AI assistance from the facts in Wikipedia · Trescasas · Data: Wikidata Q1938334 · Photos: Wikimedia Commons, see individual licenses. · CC BY-SA 4.0