Historic Ruins
○ Second 100 Castles

Sawayama Castle

The former stronghold of Ishida Mitsunari, the villain-hero of the Battle of Sekigahara, on Mt. Sawayama near Hikone. After Sekigahara (1600) the castle was demolished; only earthworks remain on the forested mountain above the Ii Shrine.

Sawayama Castle
Photo: Si-take. at Japanese Wikipedia(しいたけ) This photo was taken with Olympus X-350 / D-575Z / C-360Z / CC BY-SA 3.0 — via Wikimedia Commons
Japanese Name佐和山城
PrefectureShiga Prefecture (滋賀県)
RegionKinki (近畿)
Castle TypeMountain Castle
Year Built1378
Designation続100名城
Coordinates35.2833, 136.25

Sawayama Castle occupies a place in Japanese history both for its architectural significance and its association with one of Japan's most compelling historical figures. Built in 1378 on Mount Sawayama near Hikone in Shiga Prefecture, the castle served as the stronghold of Ishida Mitsunari, a brilliant military strategist and administrator whose legacy remains ambiguous in Japanese memory. Mitsunari's fate became inextricably linked to the castle after his defeat at the Battle of Sekigahara in 1600, one of Japan's most consequential military conflicts.

Mitsunari's fall from power was swift and catastrophic. Following the Sekigahara defeat, which solidified Tokugawa supremacy and ended the Sengoku period, the castle was demolished as part of the victors' consolidation of authority. The castle's destruction represented not merely a military conquest but a symbolic erasure of Mitsunari's political legacy. Despite this thorough dismantling, the mountain retains its historical significance, and earthworks remain visible to those willing to explore the forested slopes.

The castle site sits directly above the Ii Shrine, creating an intriguing juxtaposition of historical layers. Visitors ascending the mountain pass through this spiritual space before encountering the archaeological evidence of the castle's past. The forested setting and the remnants of fortifications offer a contemplative experience, allowing visitors to reflect on themes of loyalty, ambition, and the dramatic transformations that occurred during Japan's feudal transition.

While little reconstructed architecture remains, the site's inclusion in the Continued List of Japan's Top 100 Castles acknowledges its historical importance. The challenging hike and atmospheric setting make the ruins an engaging destination for those interested in Sengoku period history and Japanese heritage.

Sawayama Castle is recognized as one of Japan's second 100 castles as designated by the Japan Castle Foundation, a distinction that highlights its historical and architectural importance among the hundreds of castle sites across the country. As a mountain castle, its design reflects the defensive priorities and construction techniques of its era, with origins dating to 1378. Visitors traveling to Shiga Prefecture can explore the site alongside other regional historical attractions.

On the Ground

AddressMatsubara 1-chome, Matsubaracho, Hikone, Shiga Prefecture, 522-8501, Japan
Car parking54 car parks within 1.5 km — nearest about 287 m away
Public toilets6 public toilets within 1.5 km — nearest about 430 m away

Car parks and toilets are counted from OpenStreetMap within 1.5 km of the castle coordinates, as recorded on 2026-08-15. They are not necessarily run by the castle, and OpenStreetMap does not record every facility — “none recorded” does not mean there are none.

Castle Hopping from Here

From Hikone Station (20,978 passengers a day, 2019) you can also reach: Hikone Castle (彦根城).

CastleDistance
Hikone Castle same main station0.9 km
Azuchi Castle Ruins 18.0 km
Kannonji Castle 20.3 km
Odani Castle 20.9 km

Distances are straight-line between castle coordinates, not travel distance. Only castles within 30 km are listed.

Is It Original?

Original keep still standing?No — this castle is not among the twelve in Japan whose keep survives from the pre-modern period. Any tower here is a later reconstruction or the site is a ruin.
Classification on this siteHistoric Ruins
Nationally designated properties recorded here— (none found in the database) — please check with the castle directly

The count of twelve surviving keeps is stated independently by the official sites of Matsue, Maruoka, Matsuyama and Bitchu Matsuyama (checked 2026-09-04). Each of the twelve carries its own source on its own page. The classification line below it is this site's own grouping, not an official designation. The designated properties below it come from the Agency for Cultural Affairs national database of designated cultural properties (国指定文化財等データベース), retrieved 2026-08-13. A missing line means no entry was found in that database — not that the property is undesignated.

Getting There

Nearest stationHikone Station — 1.7 km in a straight line
Daily passengers at that station (2019)20,978

Station distances are straight-line, measured from the castle coordinates. Passenger counts: National Land Numerical Information (MLIT), FY2019.

Location

View larger map — © OpenStreetMap contributors

Sources and What a Blank Means

Data on this page comes from OpenStreetMap, Wikimedia Commons, the Agency for Cultural Affairs national database of designated cultural properties and the National Land Numerical Information service (MLIT). Checked 2026-08-22.

A blank or missing line means we found no record in those sources — not that the castle lacks the thing. Admission fees, opening hours and access change without notice; please confirm with the official site before travelling.