Japan Unlocked
Historic Ruins
○ Second 100 Castles

Sugiyama Castle

A compact but intricately designed hill castle in Ranzan, Saitama, considered a masterpiece of Sengoku-era earthwork engineering. Its complex arrangement of enclosures, moats, and ridges is studied by castle scholars worldwide.

Japanese Name杉山城
PrefectureSaitama Prefecture (埼玉県)
RegionKanto (関東)
Castle TypeHill Castle
Year Built16th c.
Designation続100名城
Coordinates36.05, 139.3167