# Clairmarais

> commune in Pas-de-Calais, France

**Wikidata**: [Q990173](https://www.wikidata.org/wiki/Q990173)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Clairmarais)  
**Source**: https://4ort.xyz/entity/clairmarais

## Summary

Clairmarais is a commune located in the Pas-de-Calais department in the northern French region of Hauts-de-France. Situated at coordinates 50.769444°N latitude and 2.303611°E longitude, this small rural municipality is part of the arrondissement of Saint-Omer and was historically associated with the canton of Saint-Omer-Nord until March 2015. The commune is notable for its location within the Marais Audomarois biosphere reserve, a protected wetland area recognized for its ecological significance since 2008.

## Key Facts

- **Location**: Clairmarais is situated in the Pas-de-Calais department in northern France, part of the Hauts-de-France region.
- **Geographic Coordinates**: Latitude 50.769444°N, Longitude 2.303611°E.
- **Administrative Classification**: Commune in the arrondissement of Saint-Omer.
- **Historical Canton**: Formerly part of the canton of Saint-Omer-Nord until March 2015.
- **Biosphere Reserve**: Located within the Marais Audomarois biosphere reserve (designated September 15, 2008).
- **Country**: France.
- **Department**: Pas-de-Calais (inception: March 4, 1790).
- **Commune Status**: Established as a French commune since 1789.
- **Population**: Approximately 600 residents across recorded years (values range from 579 to 658).
- **Website**: http://www.clairmarais.fr
- **Wikipedia Title**: Clairmarais
- **Sitelink Count**: 46

## FAQs

**What type of administrative area is Clairmarais?**

Clairmarais is a commune, which is the smallest administrative division in France, similar to a municipality. It is located in the Pas-de-Calais department in the northern Hauts-de-France region.

**Which arrondissement and canton does Clairmarais belong to?**

Clairmarais is part of the arrondissement of Saint-Omer. Prior to March 2015, it was part of the canton of Saint-Omer-Nord.

**What is the Marais Audomarois biosphere reserve?**

The Marais Audomarois is a French biosphere reserve designated on September 15, 2008. Clairmarais is located within this protected wetland area, which is recognized for its ecological importance and biodiversity.

**What are the geographic coordinates of Clairmarais?**

Clairmarais is located at latitude 50.769444°N and longitude 2.303611°E, placing it in the northern part of France near the Belgian border.

**What is the population of Clairmarais?**

The commune has a small population, with recorded figures ranging from 579 to 658 residents across various census years, typically hovering around 600 inhabitants.

## Why It Matters

Clairmarais matters as a representative example of rural French communal life in the northern Pas-de-Calais region. While a small municipality, it plays a significant role in the ecological landscape of northern France through its location within the Marais Audomarois biosphere reserve. This wetland area is one of the few remaining marshland ecosystems in the region and serves as an important habitat for diverse flora and fauna, contributing to biodiversity conservation efforts in France and Europe.

The commune's administrative history, particularly its association with the canton of Saint-Omer-Nord until 2015, reflects the ongoing reorganization of French local government structures aimed at improving administrative efficiency. Its position within the arrondissement of Saint-Omer connects it to a historical urban center with rich cultural heritage.

For those interested in French geography, ecology, or local administration, Clairmarais exemplifies how small communes contribute to the broader ecological and administrative framework of France, even with modest populations. The commune's website (http://www.clairmarais.fr) provides local information, demonstrating its commitment to digital communication with residents and visitors.

## Notable For

- **Biosphere Reserve Location**: Part of the Marais Audomarois biosphere reserve, a protected wetland area designated in 2008.
- **Historical Administrative Status**: Former component of the canton of Saint-Omer-Nord prior to the 2015 French canton reorganization.
- **Northern France Location**: Situated in the Pas-de-Calais department, one of France's most northern departments bordering the English Channel.
- **Rural Character**: Small commune with population typically around 600 residents, representing rural life in northern France.

## Body

### Geography and Location

Clairmarais is positioned in the northern part of France, specifically in the Pas-de-Calais department within the Hauts-de-France region. The commune's geographic coordinates are 50.769444°N latitude and 2.303611°E longitude, placing it in the marshland area known as the Marais Audomarois. This region is characterized by its wetland ecosystems, canals, and agricultural lands, creating a distinctive landscape in northern France.

The commune lies near the town of Saint-Omer, which serves as the administrative center for the arrondissement to which Clairmarais belongs. The area's proximity to the Belgian border influences its cultural and economic connections, though the commune maintains its distinct identity as a separate municipal entity.

### Administrative History

Clairmarais operates as a commune, which is the fundamental territorial collectivity in France and dates back to the French Revolution of 1789. The commune system was established to replace the previous feudal divisions and remains the primary unit of local government in France today.

Prior to March 2015, Clairmarais was part of the canton of Saint-Omer-Nord. Following the French cantonal reorganization that took effect that year, the administrative structure changed, though Clairmarais remained within the arrondissement of Saint-Omer. The Pas-de-Calais department itself was established on March 4, 1790, during the early years of the French Revolution, making it one of the original departments created when France was reorganized.

### Ecological Significance

The commune's location within the Marais Audomarois biosphere reserve is perhaps its most notable environmental distinction. This biosphere reserve was designated on September 15, 2008, recognizing the unique wetland ecosystem of the Audomarois marshes. The reserve encompasses a network of canals, peat bogs, meadows, and agricultural lands that have been shaped by human activity over centuries while maintaining significant ecological value.

The Marais Audomarois represents one of the last remaining marshland areas in northern France and serves as a crucial habitat for numerous species of birds, plants, and aquatic life. The biosphere reserve status reflects an international recognition of the need to balance conservation with sustainable human use of this delicate ecosystem. Local communities, including Clairmarais, contribute to this conservation effort while maintaining traditional land uses such as agriculture and peat extraction.

### Demographics and Community

As a small rural commune, Clairmarais has a modest population that has been recorded in various census years with figures ranging from 579 to 658 inhabitants. This population size is typical of many rural communes in the Pas-de-Calais department, where agricultural communities have maintained steady populations despite broader urbanization trends in France.

The commune serves as a residential community for families engaged in local agriculture, small businesses, and services. The close-knit nature of such small communes often fosters strong community ties and local traditions. The presence of a municipal website (http://www.clairmarais.fr) indicates the commune's engagement with modern communication methods to serve its residents and provide information to visitors.

### Regional Context

Clairmarais is part of the Pas-de-Calais department, one of the most historically significant and densely populated departments in France. The department has been the site of numerous historical events, particularly during the various conflicts between France and Britain that shaped European history. Today, Pas-de-Calais serves as a crucial crossroads between France and the United Kingdom, with the Channel Tunnel terminal at Calais nearby.

The arrondissement of Saint-Omer, to which Clairmarais belongs, encompasses a mix of urban and rural communities. The town of Saint-Omer itself has historical significance as a religious and educational center, with its cathedral and seminary. The surrounding marshland area has traditionally supported agriculture, particularly livestock farming and vegetable cultivation, while also providing resources such as peat.

### Connection to French Administrative Structure

As a commune of France (established 1789), Clairmarais participates in the country's three-tiered local government system, which includes communes, departments, and regions. The commune is governed by a municipal council and mayor, handling local matters such as urban planning, local taxes, and municipal services. At the department level, the commune is represented in the general council of Pas-de-Calais, while the regional council of Hauts-de-France handles matters affecting the broader region.

This administrative structure allows for local autonomy within the framework of national governance, enabling communes like Clairmarais to maintain their distinct character while benefiting from the resources and coordination of larger administrative units. The biosphere reserve designation adds another layer of governance, as the Marais Audomarois involves coordination among multiple communes, departmental authorities, and national environmental agencies.

## References

1. Virtual International Authority File
2. BnF authorities
3. dataset of postal codes in France. 2018
4. INSEE code
5. répertoire géographique des communes
6. Freebase Data Dumps. 2013
7. Czech National Authority Database
8. Annuaire de service-public.fr
9. Recensement de la population 2015. National Institute of Statistics and Economic Studies. 2017
10. Populations légales 2016
11. Populations légales 2017
12. Populations légales 2018
13. Populations légales 2019
14. Populations légales 2020
15. Populations légales 2021
16. Populations de référence 2022
17. Populations de référence 2023
18. Flickr Shapefiles Public Dataset 2.0
19. [Code officiel géographique](https://www.insee.fr/fr/information/3363419)
20. National Institute of Statistics and Economic Studies
21. GeoNames
22. [répertoire géographique des communes. 2015](https://wxs-telechargement.ign.fr/83edtfdyqte031y0ra49d2e3/telechargement/inspire/RGC-2015-01$RGC2015/file/RGC2015.7z)
23. [2016](https://data.geopf.fr/telechargement/download/GEOFLA/GEOFLA_2-2_COMMUNE_SHP_LAMB93_FXX_2016-06-28/GEOFLA_2-2_COMMUNE_SHP_LAMB93_FXX_2016-06-28.7z)
24. [Code officiel géographique. 2017](https://www.insee.fr/fr/information/2560698)