3-hour bike ride for 12 people, from 12 years old. Estimated distance about 10 km. This botanical discovery and tree management in town (planting, watering, pruning, pest control, felling…) will pass through Bécon Park, Jean Mermoz Square, Crowns Park, Butterfly Garden, Parc des Bruyères, Jardin des Tournelles, Rue Sébastopol, Square Normandie, Avenue Puvis de Chavannes, Nelson Mandela Park, Parc Millénaire - Charles Deprez, Jacques Cartier Park, Freudenstadt Park, Charras Park and Old Cemetery Park (arboretum and LPO refuge). Participants must bring their personal bikes and safety equipment. Information at https://www.ville-courbevoie.fr