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The CB Group's Ferques Aggregates site has obtained ISO 50001 certification
Certified! The CB Group’s Ferques des Granulats site has just earned ISO 50001 certification, an international recognition that highlights the implementation of an effective and sustainable energy management system.
Industrial tourism 2026: see you in April for a new season of tours at the Ferques quarry!
Hop on the bus and discover France's largest open-pit quarry! A spectacular industrial tourism experience, combining mineral landscapes, local expertise, and preserved biodiversity.
Prefectural visit to the heart of the CB Group
The CB Group was delighted to welcome Bertrand Gaume, Prefect of the Hauts-de-France region, to its headquarters in Leulinghen-Bernes, accompanied by representatives from the Hauts-de-France Regional Directorate for Environment, Development and Housing (DREAL) and the Pas-de-Calais sub-prefecture. This meeting was followed by an immersion in the Ferques Quarry, the largest open-pit quarry in France and a truly iconic site in the region.
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.
The CB Group's Ferques Aggregates site has obtained ISO 50001 certification
Certified! The CB Group’s Ferques des Granulats site has just earned ISO 50001 certification, an international recognition that highlights the implementation of an effective and sustainable energy management system.
Industrial tourism 2026: see you in April for a new season of tours at the Ferques quarry!
Hop on the bus and discover France's largest open-pit quarry! A spectacular industrial tourism experience, combining mineral landscapes, local expertise, and preserved biodiversity.
Prefectural visit to the heart of the CB Group
The CB Group was delighted to welcome Bertrand Gaume, Prefect of the Hauts-de-France region, to its headquarters in Leulinghen-Bernes, accompanied by representatives from the Hauts-de-France Regional Directorate for Environment, Development and Housing (DREAL) and the Pas-de-Calais sub-prefecture. This meeting was followed by an immersion in the Ferques Quarry, the largest open-pit quarry in France and a truly iconic site in the region.
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.
Industrial tourism 2026: see you in April for a new season of tours at the Ferques quarry!
Hop on the bus and discover France's largest open-pit quarry! A spectacular industrial tourism experience, combining mineral landscapes, local expertise, and preserved biodiversity.
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.
Inauguration of Terminal 2020 in Ferques
Article Rails et Industrie - Carrières du Boulonnais in Ferques: inauguration of Terminal 2020 and loading facilities.
Les Carrières du Boulonnais inaugurate their rail terminal
Radio 6 - At Ferques, Carrières du Boulonnais inaugurated their new rail terminal, in the presence of Xavier Bertrand, President of the Hauts-de-France Region.
Carrières du Boulonnais, on the road to decarbonization
Press release - On September 6, we welcome Xavier Bertrand, President of the Hauts-de-France region, for the official inauguration. The morning will begin with a private tour of the Ferques quarry, followed by a visit to the Terminal 2020 rail facility.
The Ferques quarry does its Tour de France!
On July 7, 2022, our Ferques quarry takes part in the Tour de France! The world's heaviest bicycle, installed at the bottom of the quarry by our staff, is in full effect, as is our 20-metre-long tarpaulin!