One wall, many dynasties
The 2012 national survey records 43,809 Great Wall heritage sites; 42,073 of them carry verified geometry and are mapped in this archive. The 9 dynasties with substantial located remains each have a hub below — records from further eras (Warring States, Tang, Song and others) still appear on the interactive map and the province pages.
Sui
隋80 located records across 4 provinces, 88 km of surveyed wall.
ExploreLiao
辽4 located records across 1 province, 7 km of surveyed wall.
ExploreJin
金9,015 located records across 4 provinces, 3,971 km of surveyed wall.
ExploreMing
明23,119 located records across 10 provinces, 8,011 km of surveyed wall.
ExploreQin
秦1,431 located records across 5 provinces, 947 km of surveyed wall.
ExploreHan
汉3,391 located records across 8 provinces, 2,247 km of surveyed wall.
ExploreN. Wei
北魏222 located records across 4 provinces, 468 km of surveyed wall.
ExploreE. Wei
东魏9 located records across 1 province.
ExploreN. Qi
北齐413 located records across 4 provinces, 617 km of surveyed wall.
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