A trail is a path or track made by people or animals moving through an area, typically following a particular route or line. It can also refer to a way or means of approach or access to something, such as a method for solving a problem or achieving a goal. In the context of outdoor activities, a trail refers to a marked pathway that leads through natural terrain and is used for hiking, biking, horseback riding, skiing, or other forms of recreation. Trails can vary in difficulty level, from easy walks suitable for all ages and abilities, to challenging climbs requiring specialized equipment and skills.