Hanging Temple

1,500-year-old wooden temple complex pinned to the side of a 75m cliff at Mt Heng. Engineered with horizontal posts driven into the rock face.

The Hanging Temple — Xuankong Si, meaning 'Temple Suspended in the Air' — was first constructed in 491 CE on the cliff face of Jinlong Gorge at Mt Heng, one of the Five Great Mountains of China. It is the only known Chinese temple complex to house Buddhist, Confucian, and Daoist worship in a single structure — a syncretic arrangement that reflects the mountain's position as a site of multiple religious traditions rather than a planned theological statement. The three religions share 40 rooms spread across the cliff face at varying levels.

The engineering of the structure is its most distinctive characteristic. The temple is built against and partially into the sandstone cliff, supported by a combination of horizontal wooden cantilever beams driven directly into the rock and vertical supporting posts below the main walkways. The cantilever beams are the primary structural element; the vertical posts beneath were described by a 12th-century inscription on the cliff face as 'inserted after the fact' — partly decorative, partly supplementary support. The rock face above acts as a natural overhang protecting the wooden structure from direct rainfall, which has contributed to its unusual preservation over 1,500 years. The entire complex was physically raised approximately 2.5 metres higher on the cliff when a hydroelectric dam was built downstream in the 1990s, an intervention that required an engineering operation to detach and reattach the structure.

Visitors access the temple via a path to the base of the cliff, then traverse the levels via narrow wooden walkways connecting the hall sequence. The walkways above the gorge floor — the cliff drops roughly 50 metres below the lower walkways — are the defining spatial experience. The halls themselves are compact and contain statues representing all three religious traditions. The visit typically takes one to two hours. The Hanging Temple is most naturally combined with the Yungang Grottoes as a two-day Datong itinerary.