The park grounds are situated on the former site of the Ninomaru and Sannomaru enclosures of Matsuyama Castle.
The open lawn area is historically significant as the location of the former feudal lord's residence (Goten).
The park contains remnants of defensive moats that were part of the castle's secondary and tertiary defense systems.
The site hosts over 200 cherry trees, making it a primary location for hanami gatherings in central Matsuyama.
The park layout preserves the original square-shaped design of the historical Horinouchi defensive enclosure.
Shiroyama Park occupies the central grounds of the former Matsuyama Castle and serves as the city's primary urban green space. The park encompasses the historic Horinouchi area, which formerly housed the residence of the Matsuyama domain lord. It features expansive lawns, walking paths, and the Ehime Prefectural Museum of Art located within its boundaries. The park serves as a central hub for major city festivals, including the Matsuyama Spring Festival. Its design integrates remnant stone walls and defensive moats from the Edo period with contemporary recreational facilities. It functions as a prominent viewing point for the nearby Matsuyama Castle keep atop the mountain.
The grassy northern clearing looking upward toward the castle keep on the hill.
Use the paved perimeter paths for walking or jogging as they offer the most consistent terrain.
Combine a park visit with the separate trail that leads up the mountain to the Matsuyama Castle keep.
Check the local event calendar before visiting, as large festivals can restrict access to certain lawn areas.
Do not attempt to access the Matsuyama Castle interior directly from the park level; this requires a separate ascent via the ropeway or walking trails.
Open year-round; the inner castle grounds accessible via the park require a ticket and have specific closing times for entry.
