Registration fees

Registration is required for all conference participants preferably until 30 June 2026.

full IAH member registration fee

740 EUR

840 EUR (after 30 April 2026)

Access to the scientific sessions
Welcome reception (Monday)
Gala dinner (Thursday)
Lunches (Tuesday, Wednesday, Thursday)
Coffee breaks
Conference materials
Electronic abstract book
Not included: field trips (more info later)

full non-member registration fee

840 EUR

940 EUR (after 30 April 2026)

Access to the scientific sessions
Welcome reception (Monday)
Gala dinner (Thursday)
Lunches (Tuesday, Wednesday, Thursday)
Coffee breaks
Conference materials
Electronic abstract book
Not included: field trips (more info later)

Student / Low income countries

490 EUR

550 EUR (after 30 April 2026)

Access to the scientific sessions
Welcome reception (Monday)
Gala dinner (Thursday)
Lunches (Tuesday, Wednesday, Thursday)
Coffee breaks
Conference materials
Electronic abstract book
Not included: field trips (more info later)

accompanying registration fee

360 EUR

Welcome reception (Monday)
Gala dinner (Thursday)
Lunches (Tuesday, Wednesday, Thursday)
Coffee breaks
Not included: field trips (more info later)
Please note, this category is dedicated for spouses, family members, etc., not for experts of the field, the category neither contains access to the Conference sessions, nor the scientific materials.

Terms and conditions of participation

Advanced online registration is a condition of participation in the workshop. During the online registration you should accept the terms and conditions of participation as well as the terms of cancellation written on this website. The registration fee/accompanying person’s registration fee includes entertainment allowances, such as catering services, reception, dinner etc. In the final invoice the amount of these services will be indicated as intermediary service. See also the general terms and conditions here.

Cancellation policy of registration

All the cancellations and changes must be sent to Diamond Congress Ltd. in written form. All refunds will be processed after the IAH 2026. Please send your exact bank account details in the written cancellation.

Refund of the registration fee will be made as follows:

100% refund (minus an administrative fee of 50 Euro) –
in case of cancellation received before 30 June 2026
No refund – in case of cancellation, received after 30 June 2026

Payment

All payments should be made in Euro. All charges due to bank transfers have to be paid by the sender. We advise you to bring the proof of payment with you when registering for the event in Budapest.

Bank transfer has to be made to

Diamond Congress Ltd. – IAH 2026
Raiffeisen Bank Zrt.
Address: 1015 Budapest, Széna tér 1/a.
International Bank Account Number:
HU79 12010154 00175156 00200001
SWIFT code: UBRT HUHB

Credit Card

For the online payment VISA, EuroCard/MasterCard number are suitable with expiry date, card holder’s name, billing address of the cardholder and CVV code (the last three digits on the back of the credit card where the signature is – only VISA and EC/MC). For further details please read our short manual

Registration
for new users

IAH 2026

World Groundwater Congress

53^rd Congress of the International Association of Hydrogeologists