Registrations & Prices

If you are a speaker: you will have received an email with a link to a pre-filled registration form.

If you are presenting a paper, chairing a session or reviewing a paper, you will be entitled to the speaker rate.

If you are a member of the Graie, you will benefit from a special rate.

If you are neither a member, nor a speaker, nor a session chair or reviewer, you will be charged the congress rate.

Only one speaker per paper selected will benefit from the speaker rate.

Workshop 4 Restoring lateral river connectivity is free of charge. The discount will be applied automatically when you fill in the form.

Prices for 2025

Preferential Early Bird rate for the first month.
Contributing authors benefit from the speaker rate

Prices3 days2 days1 days
NormalEarly bird (-10%)NormalEarly bird (-10%)NormalEarly bird (-10%)
Congress rate430 €390 €380 €340 €200 €180 €
Speaker rate (-10%)390 €340 €340 €300 €180 €160 €
Graie member rate (-20%)340 €300 €300 €270 €160 €140€
Rate for workshops70 €
Rate for technical visits60 €

Cancellation conditions

Before 13/05/2025: full refund
From 13/05/2025 to 13/06/2025: €100 administration fee withheld
After 13/06/2025: no refund – the registration fee remains payable. Documents given to delegates and downloadable documents will remain accessible and documents given to participants will be systematically sent to those absent.

© Thematic sessions – I.S.Rivers 2018 / GRAIE
© Anne Clemens and the scientific commitee presidents
I.S.Rivers 2022 / GRAIE
© Gala dinner – I.S.Rivers 2018 / GRAIE
© Posters – I.S.Rivers 2018 / GRAIE
© Opening conference – I.S.Rivers 2018 / GRAIE
© Workshops – I.S.Rivers 2018 / GRAIE
© Technical tours – I.S.Rivers 2018 / GRAIE