Participants from abroad will arrive at Lisbon Airport (Humberto Delgado) situated in the northeast part of Lisbon. Oeiras and the Estação Agronómica Nacional is situated in the southwestern part of Lisbon, near the village of Cascais.
The fastest way to get to the meeting place in Oeiras using public transportation is by using the Subway; Red line from the Airport to Alameda station, then the green line from Alameda Station to Cais do Sodré Terminal station. There you should proceed to the Train station of Cais do Sodré and take a train to Oeiras.
There are plenty of trains during day and night untill about 01:00 am. After this time, the best way to get to the Hotel from the airport should be by taxi.