★ 2 · last edited Aug 10, 2020
Ille-et-Vilaine
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Alongside Saint-Malo, Ille-et-Vilaine is home to one of the most visited sites in western France. And while the Malouin city tends to overshadow the rest of the department in terms of tourism, it still has plenty more to offer. Starting with its beaches and seaside resorts, as well as various places where the region’s historical heritage is still present, such as in Rennes or Vitré.
Overview

Key facts
- Type of place: department.
- Location: in the east of the Brittany region, particularly in Upper Brittany.
- Department code: 35.
- Bordering departments: Côtes-d'Armor, Loire-Atlantique, Maine-et-Loire, Manche, Mayenne and Morbihan.
- Prefecture: Rennes.
- Sub-prefectures: Fougères, Redon, Saint-Malo.
- Number of communes: 345.
- Population: 1,060,099 inhabitants (2017).
- Area: 6,775 km²
- Highest point: Forêt de Paimpont (256 m).
- Lowest point: sea level.
- Coastline: 110 km.
- Highlights (out of ): Nature ; Culture ; Relaxation-holidays
- Website: http://www.bretagne35.com
History of Ille-et-Vilaine
Geography and environment
Culture and economy
What to see in Ille-et-Vilaine
Alongside Saint-Malo, Ille-et-Vilaine is home to one of the most visited sites in western France. And while the Malouin city tends to overshadow the rest of the department in terms of tourism, it still has plenty more to offer. Starting with its beaches and seaside resorts, as well as various places where the region’s historical heritage is still present, such as in Rennes or Vitré.
What to do in Ille-et-Vilaine
Climate and weather
Ille-et-Vilaine enjoys an oceanic climate. Winters are humid and generally mild. Summers are relatively dry, moderately warm, and sunny. However, there is a slight difference between the coast and the inland areas; the seaside is milder and windier.
Sea temperature throughout the year
| Jan. | Feb. | Mar. | Apr. | May | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ille-et-Vilaine | 10 | 9 | 10 | 11 | 12 | 14 | 16 | 17 | 16 | 15 | 13 | 11 |