Open Call

Request for Letters of Interest for the Callio Lab


Callio Lab is located in the Pyhäsalmi Mine, in the town of Pyhäjärvi, in the middle of Finland.

We offer the unique infrastructure and a wealth of  opportunities for a variety of scientific and commercial purposes.

Fully serviced Callio Lab is easy to access. Wide variety of spaces already exists, and new spaces can be developed based on specific requirements.

We invite scientific and commercial actors to locate their experiments, pilots, and operations in Callio Lab.

Please fill the form if you have an idea of a topic for the open call.

We will contact you after we receive your proposal.

Title for the proposal

Short description of the proposal

List of participants

Estimation of required space

Estimation of required depth

Estimate of specific or unusual technical requirements

Estimated schedule for required access to underground facility

Other general requirements or questions

File attachments

Contact information:



Contact e-mail address

Contact Telephone number

Postal address