Mont Terri Project

Organisation of the Mont Terri Project

The Mont Terri Project is an international research project for the hydrogeological, geochemical and geotechnical characterisation of a clay formation (Opalinus Clay).

History of the Project

We give here the history of the project from the mid-1990s onwards with a summary of the milestones.


As representative of the federal government, swisstopo has concluded contracts with the project partners and the Canton of Jura, thereby assuring a legal basis for the Mont Terri Project and the...


The federal government represented by swisstopo funds the operation of the rock laboratory (no third party is involved). The participating partners fund the research programme.