OPUS
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Volunteers workcamps
FAQ Volunteer Workcamp
Formation
Act for the *environment*
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Animations / Walks
Support/Training
Act in front of *natural risks*
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Animations / Walks
Formation
Act on the *international stage*
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Act for the
heritage
Presentation
Volunteers workcamps
FAQ Volunteer Workcamp
Formation
Act for the
environment
Presentation
Animations / Walks
Support/Training
Act in front of
natural risks
Presentation
Animations / Walks
Formation
Act on the
international stage
Presentation
International campus
Current projects
Previous projects
The association
Opus
The label CPIE
Our history
The team
The board of trustees
Our partners
Animations / Sortie
Animations pédagogiques et balades commentées
Workcamps
to come
27 Aug 2025
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30 Aug 2025
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7 Oct 2025
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10 Oct 2025
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Volunteers workcamps
Trainings and support
International campus
Animations / Walks
Newsletter
Ressources
