General information

Dates & Venue

  • Dates

The 18th International Conference on Harmful Algae will take place from October 21st to 26th, 2018.
Click here to access the preliminary agenda.

  • Venue

La Cité, Nantes Events Center, will host all the Conference activities: plenary and parallel sessions, exhibition, coffee breaks, social program (except the Conference Dinner).

La Cité, Nantes Events Center
5, rue de Valmy
44000 Nantes - France

Located in the city center, opposite the TGV train station (south exit) and just 20 minutes away from the airport by shuttle bus, La Cité is very easy to reach:

Line 1 - "Duchesse Anne - Château des Ducs de Bretagne" station, just one stop from the TGV train station (north exit).
More info:

Airport/city center shuttle
"Lieu Unique" stop, departure every 20 to 30 minutes.
More info:

Line 4 - "Cité Internationale des Congrès" stop.
More info:
Self-service Bicloo bikes and Marguerite car stations in front of La Cité.
More info: and

A 450-space multi-storey car park at La Cité plus 2,000 spaces in nearby carparks.
For exhibitors: temporary drop-off area with direct access to La Cité's exhibition spaces.
More info:

Host city

Nantes, a dynamic eco-city between river and ocean.

Stroll along the Loire river or breathe in the scent of the Atlantic ocean! Nantes is a unique place with a natural environment and history to thank for its unrivalled assets. Today, Nantes Saint-Nazaire is the leading port of Western Europe and the leading shipbuilding hub in France.

European Green Capital 2013.

Be enchanted! In 2013 Nantes was the first French city to be named Green Capital of Europe (by the European Commission). With 60% of natural spaces, the city offers a living environment that is both enriching for its inhabitants and welcoming for its visitors. Walk, pedal, get out, exert yourself, take a stroll, work… you will be the one to invent your green city.



Easy access

Nantes is easy to access by plane, train or car.

By plane
- 1 hour from Paris & London
- 4 daily return flights to Roissy Charles de Gaulle airport
-  daily return flights to Orly airport
- All European major cities within a 2-hour flight
- 65 national and international destinations with direct flights: Nantes Atlantique airport is a 20-minute shuttle ride from La Cité (every half an hour).
More info: Nantes Atlantique Airport & Airport Shuttle

By TGV train
- 2 hours from Paris Montparnasse train station
- 21 TGV trains from Paris Nantes every day
- 3 hours from Paris Roissy Charles de Gaulle - 4 TGV trains every day
- Direct TGV trains to Lille, Lyon, Marseille, Paris, Strasbourg, etc.
The TGV train station is located in the city center, opposite La Cité (south exit).
More info: SNCF & Nantes train station

By road
Nantes boasts an extensive network of roads to reach:
- To the East: Paris - A1 motorway
- To the South: Bordeaux and Toulouse - A83 motorway
- To the West: Brest - N165/E60
- To the North: Rennes - N137

For more information on the city of Nantes, visit the website of the Tourist Office.

Practical information

  • Congress official language

The ICHA official language if English.
French is the official language in France, but English is usually spoken in touristic areas.

  • Time zone

French time zone varies from UTC/GMT +1h (from end of October to end of March) to UTC/GMT +2h (from end of March to end of October).
During the ICHA 2018, official time will be UTC/GMT + 2h (until Sunday 28 October 2018, 3am).

  • Climate

Nantes has a marine west coast climate that is mild with no dry season, warm summers. Heavy precipitation occurs during mild winters which are dominated by mid-latitude cyclones. Seasonality is moderate (Köppen-Geiger classification: Cfb).
Average temperature in October varies from 10 to 13 °C.

  • Currency

The Euro is the official currency of France. With the Euro in constant flux, please see for up-to-date exchange rates.

  • Power supply

In France the power sockets are of type E. The standard voltage is 230 V and the standard frequency is 50 Hz.

  • Family care services

The conference venue in Nantes does not have in-house family-care facilities.  

However, conference staff will identify nearby family-care centers and make personal visits to verify that the locations are safe and the providers competent and licensed.  Capabilities for speaking English or other languages will be noted.

The conference staff will also help registrants to find these centers and to register their children in an appropriate time line.  Please contact as soon as possible for any enquiry, preferably before September 10th. The specific conference staff member identified as the main point of contact for all family care assistance will then answer you rapidly .

For more information, please contact

Insurance & Liability

Ifremer and MCI cannot be held liable for any hindrance or disruption of conference proceedings arising from political, social, health or economic events or any other unforeseen incidents beyond their control. The conference cancellation conditions shall apply in any case. Registration of a participant entails acceptance of the cancellation conditions. It is recommended that participants obtain adequate cover for travel, health, accident and cancellation insurance before they depart from their countries.

Ifremer and MCI as organizers will accept no liability for personal injuries sustained by or for loss or damage to property belonging to congress participants during the congress activities.

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