+ downtown hotel or airport pick up, depart on early morning, such as 6:00am+ bring enough bottle water, some foods, walking stick, sun glasses, rain coat, etc+ round-trip, including toll, gas and parking fees + you should study the hike routes in advance from the internet or videos + time-table sample:7:00 - 9:30 pick up at downtown hotel and head to GuBeiKou9:30 - 16:30 hike from gubeikou to jinshanling, the driver will drop you off at gubeikou and pick you up at jinshanling16:30 - 19:00 head back to downtown hotel
Gubeikou section was originally named "Beikou", which literally means "Northern Pass", during the Tang Dynasty (618-907) since it is the northern defensive line of Youzhou (today's Beijing). "Gu" (ancient) was only added by later generations. Stretching for about 25 miles (40 kilometers), there are 172 watchtowers, 14 beacon towers, 16 passes, 3 water passes, 3 barbicans, and 6 fortresses along it.In the broad sense, it is comprised of four sections: Wohushan, Panlongshan, Jinshanling, and Simatai. But in the narrow sense and to visitors, it is composed of Wohushan and Panlongshan.