Epitech is located at 2 Rue du Professeur Charles Appleton, Lyon, France.
Lyon has an international airport called Saint-Exupéry. You can buy the Rhônexpress tickets two months earlier to have a better price.
Possibility to accomodate 3 to 4 people in one room:
Aim for the city center so you can move quickly and easily. Don't hesitate to book appartements with multiple rooms and beds so you can share with other people and get better prices individually!
There will be a bar on site where you can get snacks and drinks. You will also find something to eat near the event.