The essence of Zhangjiajie is Golden Whip Stream, First Bridge in the World, Wulong Village, Air Corridor, Fairies Spreading Flowers, Stone Forest at West Sea, Shentang Bay, etc. It takes sbout 50 minutes from Zhangjiajie downtown to entrance of this area. Visitors can drive car into the core scenic spots. Yangjiajie Scenic Spot is only one spot that can be reached self driving. You can take cableways, eco-car, or elevator to visit each spot. You can accommodate one night at the area and leave next day.

To arrive at Zhangjiajie, you can take a flight from Beijing, Shanghai, Xian, Chengdu, Chongqing, Changsha, or Guangzhou. Or take a train into it.

Here is itinerary.
Day 1 arrive at Zhangjiajie by train or flight. Accommodate at downtown.
Day 2 You will be pick-up at the hoteland transferred to enter the area and visit Huangshi Village with way cable car, Golden Whip Stream, Yuanjiajie Park. Take Bailong Lift to visit Tianzi Mountain by eco-car. In the late afternoon, you will visit Ten Mile Gallery by sightseeing small tram. Accommodate at Wulinyuan area.
Day 3 Today, you will take an eco-car to visit Tianmen Mountain National Park. In the afternoon, you will be transferred to downtown to catch your flight or train. Or Accommodate one night at downtown and leave next day.