For sightseeing: half a day or one day is enough to visit one section of the Great Wall,.
For a more all-encompassing Great Wall of China hiking tour from Beijing: 3–5 days is recommended for discovering 3–6 different sections.
For walking the entire length of the Great Wall of China:3–5 months is needed to follow the main line, but 17 months at least are needed to walk the full length of all Great Wall from Jiayuguan to Hushan.
