Chen Chen
Google
In my personal opinion, this is by far the most under-rated scenic spots in and around Beijing area.
First, it is well connected with super highway only 2.5 hour drive from the downtown. Not like the other section, which is even more popular known as Mutianyu, 50% is super highway, the other half is normal state road, with many stop lights and intersections. Although it is much closer to the city, facting the time of traffic it normally takes the same time to get there. So although Jinshanling is even further but it takes almost the same time.
Second, the wall here are roughly half repaired the other half as original. By law and national protection regulations, the most authentic Great Wall near Beijing area you can see which opened as a scenic spot.
Third, 金山岭大酒店, Jinshanling Great Wall hotel, located less than 100m away from the west entrarea of the scenic spot, western standard 4-5 star hotel rooms, it also offers individual private courtyards with multiple rooms for family.
Last but not least, it is much much less crowded than the other sections of the Great Wall. So if you really want the climbing/walking/exploring experience, this is the best place you should be heading for.