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An eco-designed website to support the development of the CB Group's Aggregates division
The CB Group continues to modernize its digital ecosystem with the launch of a new website dedicated to its aggregates division Les Granulats du Groupe CB. Launched on February 2, 2026, this website reflects the Group's desire to enhance the visibility of its offering, support the work of its teams, and promote its renowned expertise within the regions.
Open day at the Carrière d'Izernore quarry
On Saturday June 14, 2025, Carrières Blanc will welcome the general public to Izernore for an immersive day dedicated to discovering the CB Group's businesses, materials and environmental commitments.
Groupe CB celebrates 30 years of landscape planning
To mark the 30th anniversary of the Landscape Plan, Groupe CB has teamed up with the Parc Naturel Régional to introduce visitors to the Marquise quarry basin through exclusive tours and a variety of events. Plunge into the heart of the Carrières du Boulonnais, France's largest open-cast quarry on a single site, and explore the PRIMA Architectural Park, where art and industry meet through never-before-seen works of micro-architecture.
First Successful Tests for Industrial Tourism
4 test buses welcomed various participants for an immersive tour of France's largest open-air quarry. Immerse yourself in this captivating adventure and follow the next stages of this exciting project.
Cancellation of the Open House on June 14 and 15, 2024
Traffic accident on Route Départementale 8.
An eco-designed website to support the development of the CB Group's Aggregates division
The CB Group continues to modernize its digital ecosystem with the launch of a new website dedicated to its aggregates division Les Granulats du Groupe CB. Launched on February 2, 2026, this website reflects the Group's desire to enhance the visibility of its offering, support the work of its teams, and promote its renowned expertise within the regions.
Groupe CB celebrates 30 years of landscape planning
To mark the 30th anniversary of the Landscape Plan, Groupe CB has teamed up with the Parc Naturel Régional to introduce visitors to the Marquise quarry basin through exclusive tours and a variety of events. Plunge into the heart of the Carrières du Boulonnais, France's largest open-cast quarry on a single site, and explore the PRIMA Architectural Park, where art and industry meet through never-before-seen works of micro-architecture.
Carrières du Boulonnais: A pleasant surprise for the "Chemins des Ducs" project!
At the Carrières du Boulonnais site in Ferques, a specific search was carried out using a drone equipped with a thermal camera.
Carrières du Boulonnais and DB Cargo France: 17 years of partnership!
Our collective ideas and experience have strengthened our relationship with this faithful partner for more than 17 years.
Champdor-Corcelles, the public enthralled by the discovery of quarrying operations
Le Progrès - Geologist Olivier Garin gave a guided tour of the projects and developments planned for this site, which is so important to the local economy.
Brittany's granite boulders tour the world
The quarry of the Société d'Exploitation des Carrières de Lanhélin (SOCAL) is a major economic player in the commune of Mesnil Roc'h. Take a guided tour of what lies behind the site.
A piece of limestone from Les Carrières du Boulonnais is set to land on Mars
Article La Voix du Nord - On July 30, 2020, NASA's Mars 2020 space mission took on board a sample of limestone extracted from Les Carrières du Boulonnais.