Geneva (Switzerland): Free hiking tours on the Salève. Every Sunday, meet at 9:45 AM at the end of bus line 8 in Veyrier-Douane for 5 to 8-hour hikes organized by the Association Genevoise des Amis du Salève (AGAS). No prior registration needed. Ensure you are in good physical condition, wear walking shoes, and bring equipment suitable for weather conditions.