Le désert tunisien, prémisses du Sahara

Level 2: An average of 4 to 5 hours of hiking per day on a well-marked hilly path or trail.

Level 4: An average of 6 hours of hiking per day on well-marked trails or off trail, and/or 700 to 1000 meters of vertical gain, and/or distances of 15 to 18 kilometers.

Level 5: An average of more than 6 hours of hiking per day off trail or on rugged terrain, with more than 1000 meters of vertical gain (and/or distances up to 20 kilometers). Possibly sections at high altitude.

Level 6: An average of more than 7 to 8 hours of strenuous hiking per day off trail or on rugged terrain, with more than 1000 meters of vertical gain and/or distances up to 20 kilometers. Possibly sections at high altitude.

Level 2: An average of 4 to 5 hours of hiking per day on a well-marked hilly path or trail.

Level 4: An average of 6 hours of hiking per day on well-marked trails or off trail, and/or 700 to 1000 meters of vertical gain, and/or distances of 15 to 18 kilometers.

Level 5: An average of more than 6 hours of hiking per day off trail or on rugged terrain, with more than 1000 meters of vertical gain (and/or distances up to 20 kilometers). Possibly sections at high altitude.

Level 6: An average of more than 7 to 8 hours of strenuous hiking per day off trail or on rugged terrain, with more than 1000 meters of vertical gain and/or distances up to 20 kilometers. Possibly sections at high altitude.

Level 2: An average of 4 to 5 hours of hiking per day on a well-marked hilly path or trail.

Level 4: An average of 6 hours of hiking per day on well-marked trails or off trail, and/or 700 to 1000 meters of vertical gain, and/or distances of 15 to 18 kilometers.

Level 5: An average of more than 6 hours of hiking per day off trail or on rugged terrain, with more than 1000 meters of vertical gain (and/or distances up to 20 kilometers). Possibly sections at high altitude.

Level 6: An average of more than 7 to 8 hours of strenuous hiking per day off trail or on rugged terrain, with more than 1000 meters of vertical gain and/or distances up to 20 kilometers. Possibly sections at high altitude.

Level 2: An average of 4 to 5 hours of hiking per day on a well-marked hilly path or trail.

Level 4: An average of 6 hours of hiking per day on well-marked trails or off trail, and/or 700 to 1000 meters of vertical gain, and/or distances of 15 to 18 kilometers.

Level 5: An average of more than 6 hours of hiking per day off trail or on rugged terrain, with more than 1000 meters of vertical gain (and/or distances up to 20 kilometers). Possibly sections at high altitude.

Level 6: An average of more than 7 to 8 hours of strenuous hiking per day off trail or on rugged terrain, with more than 1000 meters of vertical gain and/or distances up to 20 kilometers. Possibly sections at high altitude.

Level 2: An average of 4 to 5 hours of hiking per day on a well-marked hilly path or trail.

Level 4: An average of 6 hours of hiking per day on well-marked trails or off trail, and/or 700 to 1000 meters of vertical gain, and/or distances of 15 to 18 kilometers.

Level 5: An average of more than 6 hours of hiking per day off trail or on rugged terrain, with more than 1000 meters of vertical gain (and/or distances up to 20 kilometers). Possibly sections at high altitude.

Level 6: An average of more than 7 to 8 hours of strenuous hiking per day off trail or on rugged terrain, with more than 1000 meters of vertical gain and/or distances up to 20 kilometers. Possibly sections at high altitude.

Level 2: An average of 4 to 5 hours of hiking per day on a well-marked hilly path or trail.

Level 4: An average of 6 hours of hiking per day on well-marked trails or off trail, and/or 700 to 1000 meters of vertical gain, and/or distances of 15 to 18 kilometers.

Level 5: An average of more than 6 hours of hiking per day off trail or on rugged terrain, with more than 1000 meters of vertical gain (and/or distances up to 20 kilometers). Possibly sections at high altitude.

Level 6: An average of more than 7 to 8 hours of strenuous hiking per day off trail or on rugged terrain, with more than 1000 meters of vertical gain and/or distances up to 20 kilometers. Possibly sections at high altitude.

Level 2: An average of 4 to 5 hours of hiking per day on a well-marked hilly path or trail.

Level 4: An average of 6 hours of hiking per day on well-marked trails or off trail, and/or 700 to 1000 meters of vertical gain, and/or distances of 15 to 18 kilometers.

Level 5: An average of more than 6 hours of hiking per day off trail or on rugged terrain, with more than 1000 meters of vertical gain (and/or distances up to 20 kilometers). Possibly sections at high altitude.

Level 6: An average of more than 7 to 8 hours of strenuous hiking per day off trail or on rugged terrain, with more than 1000 meters of vertical gain and/or distances up to 20 kilometers. Possibly sections at high altitude.

Level 2: An average of 4 to 5 hours of hiking per day on a well-marked hilly path or trail.

Level 4: An average of 6 hours of hiking per day on well-marked trails or off trail, and/or 700 to 1000 meters of vertical gain, and/or distances of 15 to 18 kilometers.

Level 5: An average of more than 6 hours of hiking per day off trail or on rugged terrain, with more than 1000 meters of vertical gain (and/or distances up to 20 kilometers). Possibly sections at high altitude.

Level 6: An average of more than 7 to 8 hours of strenuous hiking per day off trail or on rugged terrain, with more than 1000 meters of vertical gain and/or distances up to 20 kilometers. Possibly sections at high altitude.

Level 2: An average of 4 to 5 hours of hiking per day on a well-marked hilly path or trail.

Level 4: An average of 6 hours of hiking per day on well-marked trails or off trail, and/or 700 to 1000 meters of vertical gain, and/or distances of 15 to 18 kilometers.

Level 5: An average of more than 6 hours of hiking per day off trail or on rugged terrain, with more than 1000 meters of vertical gain (and/or distances up to 20 kilometers). Possibly sections at high altitude.

Level 6: An average of more than 7 to 8 hours of strenuous hiking per day off trail or on rugged terrain, with more than 1000 meters of vertical gain and/or distances up to 20 kilometers. Possibly sections at high altitude.