Reconstructed Castle
○ Second 100 Castles

Toyama Castle

A flatland castle in central Toyama City first built in 1543, later expanded by Sassa Narimasa and the Maeda clan. Nicknamed 'Floating Castle' (浮城) as it appeared to float over morning mist on the Jinzu River. The reconstructed tower now houses a city history museum.

Toyama Castle
Photo: Public domain — via Wikimedia Commons
Japanese Name富山城
PrefectureToyama Prefecture (富山県)
RegionChubu (中部)
Castle TypeFlatland Castle
Year Built1543
Designation続100名城
Coordinates36.6961, 137.2119

Toyama Castle, first constructed in 1543, represents a significant flatland fortress in central Toyama City that underwent substantial expansion under successive leadership during Japan's transformation from warfare to peace. The castle earned the poetic nickname "Floating Castle" due to its dramatic appearance when morning mist rose from the nearby Jinzu River, creating the illusion that the structure hovered above the landscape.

The castle was initially built to serve regional military purposes but gained prominence under Sassa Narimasa, a powerful daimyo who strengthened its fortifications during the Sengoku period. Later, the Maeda clan, one of Japan's most influential warrior families, expanded and refined the castle, reflecting their growing power and wealth. The castle served as an administrative center until the Meiji Restoration transformed Japan's political structure, leading to its eventual dismantlement.

Unlike many castles that were lost to time and warfare, Toyama Castle was reconstructed in the modern era as a symbol of regional pride and cultural preservation. The reconstructed tower now serves as a city history museum, housing exhibits and artifacts that document Toyama's development from a castle town through industrialization to its contemporary status. The modern reconstruction maintains the castle's distinctive silhouette while serving practical purposes for cultural education and tourism.

Visitors to the museum can learn about the castle's historical role in Toyama's governance and explore the surrounding Johoku Park, which preserves the original castle grounds. The combination of reconstructed architecture and museum exhibits provides accessible education about both the castle's specific history and broader patterns of Japanese feudal governance.

Toyama 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 flatland castle, its design reflects the defensive priorities and construction techniques of its era, with origins dating to 1543. Visitors traveling to Toyama Prefecture can explore the site alongside other regional historical attractions.

On the Ground

AddressShinsogawa, Toyama, Toyama Prefecture, 930-0006, Japan
Car parking51 car parks within 1.5 km — nearest about 145 m away
Public toilets5 public toilets within 1.5 km — nearest about 194 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

CastleDistance
Masuyama Castle 22.6 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 siteReconstructed Castle
Nationally designated properties recorded here1
Recorded property names (Japanese)

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. Official record. A missing line means no entry was found in that database — not that the property is undesignated.

Getting There

Nearest stationKokusai Kaigijo mae Station — 0.2 km in a straight line
Largest station nearbyToyama Station — 0.6 km in a straight line
Daily passengers at that station (2019)24,540

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.