An elevator drops you 80 metres into a giant doline, and a whole new world opens up — three colossal stone arches curving overhead, a Tang-style courtyard alone at the bottom. This is where Transformers came to film.
Picture this: you are in a glass elevator sinking slowly down an 80-metre limestone cliff, the daylight above dimming as you descend. The doors open and you step out onto the floor of an enormous sinkhole, crane your neck upward, and see giant natural stone arches bridging the sky overhead — over 200 metres high on average. In the middle of the valley sits a lone timber building with a grey-tiled Tang-dynasty roof, looking like it walked straight out of an old Chinese epic. That is because it actually did.
This is the Three Natural Bridges (天生三桥), the heart of Wulong Karst, southeast of Chongqing and about 2–3 hours from the city. The whole region is part of the South China Karst, inscribed by UNESCO as a World Heritage Site back in 2007. The limestone terrain here has been forming for millions of years, leaving behind stone arches, sinkholes, deep gorges and dripstone caves that are genuinely rare to see anywhere else.
What makes Wulong special is that it doubled as a filming location for Transformers: Age of Extinction and Zhang Yimou's Chinese epic Curse of the Golden Flower — yet the real thing is even more striking than it looks on screen. And with good planning you can see the main sights in a single day, which is why it tops the must-do list for travellers based in Chongqing.
The region has four main zones, each charging separate admission — pick what suits your time and energy
Three natural stone arches — Tianlong, Qinglong and Heilong — averaging over 200 metres high, the largest natural bridge cluster in Asia. An elevator drops you to the floor of the sinkhole, then you walk beneath the giant arches past the old Tang-style courtyard. The loop takes about 2–3 hours. This is the most popular section and the one used in Transformers.
A narrow slot canyon nicknamed "Earth's most beautiful scar", plunging 200 to 350 metres deep yet squeezing to barely 1 metre wide at its tightest point. You descend along cliff-hugging walkways through waterfalls and cool spray. It sits close to the Three Natural Bridges, so you can do both in one day. Open 8.30 am–4.30 pm.
A dripstone cave roughly 2,700 metres long — the only cave in the world inscribed as a UNESCO Natural World Heritage Site. Inside are more than 70 types of stalactites and stalagmites. A cable car carries you up to the cave mouth with views over the Furong River valley along the way. It is on the opposite side of the region from the bridges, so allow extra time or stay overnight if you want to include it.
High-altitude grasslands that stay much cooler than the city in summer, which is why Chongqing locals come up here to escape the heat. There is a meadow zone and a horse-ranch area for riding, camping and archery, with a little train shuttling between them. It suits an overnight stay to slow down on the mountain — a completely different mood from the gorge below.
Michael Bay's Transformers 4 crew came to Wulong to film in 2013, using two helicopters to capture sweeping aerial shots over the sinkholes and giant stone arches, including a robot fight scene beneath the twin arches. The aerial views of the gorge you see in the film are all the real place — and standing on the valley floor yourself, you feel as tiny as it looks on screen.
Years before Transformers, the foot of Tianlong Bridge (天龙桥) was a main set for Zhang Yimou's Chinese epic Curse of the Golden Flower. The crew built a Tang-dynasty-style courtyard with grey-tiled roofs and timber walls, the Tianfu Official Post (天福官驿), on the valley floor — and the building still stands there today. It is the photo stop everyone makes: a lone Tang courtyard dwarfed beneath the giant stone arches, the defining image of Wulong.
The main entrance to the Three Natural Bridges is a glass elevator that drops you down the limestone wall into the tiankeng (sinkhole). The ticket already includes the elevator and shuttle bus. Once you reach the valley floor you follow the walkway beneath all three stone arches — the distance is not long, but there are plenty of steps and ramps. Wear comfortable shoes and bring a light layer, as the bottom of the gorge is cooler than up top.
Wulong is about 2–3 hours from Chongqing. The most popular way is to take a train to Wulong station and then connect by local bus and park shuttle — or book a day tour with all transfers arranged, which is the easier option.
Wulong works comfortably as a day trip, so many people stay in central Chongqing — around Jiefangbei or the riverfront — and head out for the day