The Karate Kid filmed at Mutianyu Great Wall, Tower 14, Huairou. Dre trains on the wall at this Huairou section, which was built to guard the capital.
Probable Named in published production coverage; the coordinate is the place itself, checked against a gazetteer.
Venture keeps every scene location on one map, sorted by how far you'd have to walk. Open it in Huairou and it tells you what was shot around you, how to get there, and whether you can actually go in.
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