L'Arbre à Café - Odéon emphasizes organic and biodynamic coffee, roasting beans sourced from sustainable farms. Opened in September 2024, it operates seven days a week and features a Victoria Arduino machine for espresso and slow extraction methods. The café offers a range of drinks, including espresso for €3 and flat whites for €6, alongside a selection of sweet treats. Situated in the vibrant Saint-Germain-des-Prés area, it combines a rich literary history with contemporary coffee culture, providing both indoor seating and outdoor options when the weather allows.