Île d'Ouessant

Welcome to Île d’Ouessant, a Temperate island in the Celtic Sea, part of the majestic Atlantic Ocean. This guide offers a comprehensive overview of what makes Île d’Ouessant unique – from its geography and climate to its population, infrastructure, and beyond. Dive into the details:
- Geography and Size: Explore the island’s size and location.
- Climate and Weather: Weather patterns and temperature.
- Topography and Nature: Uncover the natural wonders of the island.
- Infrastructure and Travelling: Insights on reaching, staying, and making the most of your visit.
- News and Headlines: Latest News.
Geography and size of Île d’Ouessant
Size: 17.6 km²
Coastline: 40 km
Ocean: Atlantic Ocean
Sea: Celtic Sea
Continent: Europe
Île d’Ouessant is a Medium Island spanning 18 km² with a coastline of 40 km.
Archipel: –
Tectonic Plate: Eurasia – One of the world’s largest tectonic plates, the Eurasian Plate covers a significant portion of Europe and Asia. It’s characterized by diverse geological features, including the Ural Mountains, the European Plain, and the Himalayas formed from its collision with the Indian Plate.
The geographic heart of the island is pinpointed at these coordinates:
Latitude: 48.459656 / Longitude: -5.08712875
Climate and weather of Île d’Ouessant
Climate Zone: Temperate
Climate Details: Temperate Oceanic Climate
Temperature: Warm Summer
Climate Characteristics: Known for its moderate year-round temperatures with ample rainfall and no dry season. Warm summers are characteristic.
Topography and nature of Île d’Ouessant
Timezone: UTC+01:00
Timezone places: Europe/Paris
Max. Elevation: 44 m
Mean Elevation: 18 m
Vegetation: Agricultural Mosaic
Tree Coverage: 32%
The mean elevation is 18 m. The highest elevation on the island reaches approximately 44 meters above sea level. The island is characterized by Plains: Flat, low-lying lands characterized by a maximum elevation of up to 200 meters. On islands, plains are typically coastal lowlands or central flat areas.
Dominating Vegetation: Agricultural Mosaic
A mix of cropland and natural vegetation, often seen in rural landscapes where agricultural fields are interspersed with patches of natural habitats. Île d’Ouessant has a tree cover of 32 %.
Vegetation: 9 vegetation zones – Very Highly Diverse Island
Islands in this range are ecological powerhouses, showcasing a wide array of vegetation zones. Each zone, from lush rainforests to arid scrublands, coastal mangroves to mountainous regions, contributes to a complex and interdependent ecosystem. These islands are often hotspots of biodiversity, supporting numerous species and intricate ecological processes.
Infrastructure and Travelling to Île d’Ouessant
Does the island have a public airport? no.
There is no public and scheduled airport on Île d’Ouessant. The nearest airport is Brest Bretagne Airport, located 68 km away.
Does the island have a major port? no.
There are no major ports on Île d’Ouessant. The closest major port is RADE DE BREST, approximately 60 km away.
The mean population of Île d’Ouessant is 41 per km². Île d’Ouessant is Gently Populated. The island belongs to France.
Continuing your journey, Île de Groix is the next notable island, situated merely km away.
Visiter et découvrir l'île d'Ouessant (Finistère, Bretagne)



France is classified as Developed region: G7: Group of Seven – Major advanced economies, including Canada, France, Germany, Italy, Japan, the United Kingdom, and the United States. The level of income is High income: OECD.
News – Latest Updates and Headlines from Île d’Ouessant
Stay informed with the most recent news and important headlines from Île d’Ouessant. Here’s a roundup of the latest developments.
Please note: The data used here has been primarily extracted from satellite readings. Deviations from exact values may occur, particularly regarding the height of elevations and population density. Land area and coastline measurements refer to average values at mean high tide.
