Warm walking, ça marche! is a free, multilingual citizen initiative in Brussels (3rd edition) that explores the 65 km long Groene Wandeling monthly on Sundays (12 PM - 4 PM) in 7 (or 12) partial routes of approx. 10 km, including extra walks in various municipalities. It is accessible to everyone, often with the option to stop halfway. Location: from stop Legrand (tram 7, 8, 93) through the Ter Kamerenbos and the Zoniënwoud Wandeling through the Ter Kamerenbos and the Sonian Forest in the valley of the Verdronken Kinderen and the Vuylbeek valley. End at the hippodrome of Bosvoorde. When: Sun, August 23, 2026 - 12:00 PM to 4:00 PM (meeting at 11:50 AM). Costs: Free. Registration: Not necessary. Content: Along the way, multilingual facts about the landscape are shared. Tips for participation: Preparation: Wear sturdy walking shoes and provide rain gear. Along the way: The walking pace is often leisurely, starting with a warm-up and a cool-down. Accessibility: The starting points are easily accessible by public transport. Organization: This is an initiative of Karen & Abdessamad, supported by Natuurpunt and Avansa Citizenne.