Level 1 – Easy: Flat terrain without obstacles. Wheelchair accessible. Duration 2h Level 2 – Easy to Moderate : Mainly flat terrain (about 70% flat), gentle climbs and descents. Some steps. Wheelchair accessible only with the help of a third party. Duration is around 2 to 3 hours. Level 3 – Moderate: Terrain about 40 to 60% flat. Moderate climbs and descents. Steps. not wheelchair accessible. Duration 3 hours  Level 4 – Demanding: Terrain about 20% to 40% flat. Some steep climbs and descends. Steps and uneven surfaces. Recommend for fit travelers. Duration between 3 to 5 hours. Level 5 – Difficult: Rolling and often steep terrain, 10 to 20% flat terrain. Uneven surfaces. Recommended for travelers used to hiking tours in nature.