Arc en Ciel

Recycling / Environment
la Cité Navale, 44220, Couëron


Arc en Ciel offers a complete household and common industrial waste management service for the Urban Community of Nantes. With its open, transparent architecture, it receives more than 10,000 visitors every year.

The visitors are welcomed by a guide specially trained on Arc en Ciel’s different functions. First, you will receive theoretical information in the amphitheater (length: 30 min) with a video and will then be taken on a technical tour of the facilities (length: 1 hr), covering incineration, smoke treatment, and the recycling and common industrial waste chains. Lastly, you will have the option of visiting the composting site, located just 10 minutes from the main site (length: 30 min, vehicle required).



Tour period :Every Wednesday, Thursday and Friday, excluding French school vacation periods.
Tour times :9:00-12:00 and 1:30-6:00
School groups: Every Monday and Tuesday, 9:00-11:30 and 1:30-5:00
Individuals / groups :Minimum of 10 people / maximum of 60
Guided / self-guided tours :Guided (1½ to 2 hrs)
Advance reservations :Required
Tour prices :Free
Tour languages :French and English
Access for people with disabilities :Accessible by people with motor impairments