Jiayuguan Pass (First Strategic Pass Under Heaven)
Jiayuguan Fortress · Jiayu Pass
Ming Dynasty 1372–1540 CE (major 1484 rebuild)·Ming Han Chinese·🇨🇳 Gansu Province, Jiayuguan City, Jiayu Pass, China
About
About Jiayuguan Pass (First Strategic Pass Under Heaven)
Ming western gateway fortress (1372–1540) on Hexi Corridor terminus of Great Wall, 33,500 m² bastioned rammed-earth and brick rectangle abutting Qilian foothills and Black Mountain gorge. Three overlapping rampart lines and Outer Yin Yang beacon towers controlled Silk Road traffic where Wall meets desert, surviving largest Ming wall pass.
Why it mattersMing western gateway fortress (1372–1540) on Hexi Corridor terminus of Great Wall, 33,500 m² bastioned rammed-earth and
Open questions
Mysteries & theories
Mysteries
- 01Wall rammed earth reed layers vs Ming brick veneer phasing
- 02Jiayumen legend brick – 99,999 vs one short prophecy?
Theories
- 01Hexi corridor choke point explains Ming projection to Tianshan
- 02Beacon signaling to Dunhuang within hours demonstration
Theories are interpretations, not findings. The seal above tells you how much scholarly weight the place carries.
History
How it came to be
- Built
- 1372 initial by Feng Sheng; fortified 1484–1540
- Period
- Ming Dynasty 1372–1540 CE (major 1484 rebuild)
- Culture
- Ming Han Chinese
- Purpose
- Hexi frontier garrison, Silk Road customs post and Wall terminus symbol
- Excavation
- Excavated
1372 initial by Feng Sheng; fortified 1484–1540
Initial construction
c. 1673 CE
Major expansion
On the ground
Structures & features
39.8010° N · 98.2160° E · 1977 m · 3 mapped features
Guangcheng Fort Inner City
fortressInner rammed-earth rectangle with corner towers
39.8017° N · 98.2158° ERouyuan Gate (eastern entrance)
gateTriple gate with calligraphy plaque
39.8020° N · 98.2165° EFirst Beacon Tower on Black Mountain
beaconEarthen Han-Ming beacon on Heishan ridge
39.8100° N · 98.1900° E