
Kasugayama Castle Ruins
春日山城跡 · Niigata Prefecture · Joetsu City
Around the summit of Mount Kasuga in central Joetsu City, Niigata Prefecture; a mountain-castle ruin, a national historic site and one of Japan's 100 famous castles, reached by hiking trails, with no surviving keep.
Know before you go
- Red lines: do not climb or dig earthworks and dry moats
- do not remove relics. Taboos: do not make noise or enter non-public areas in shrine and temple grounds
- do not litter on trails. Good manners: wear hiking or sports shoes, walk carefully after rain, descend if conditions worsen. Common pitfalls: (1) expecting a keep to tour — this is a mountain ruin requiring fitness and time
This article is Not yet verified. Please check official announcements for prices, opening hours and dates.
Stories & people
Stories & people
History
Kasugayama Castle Ruins — the historical setting
Kasugayama began as the fallback castle of the Uesugi shugo of Echigo, then served four generations of the Nagao and Uesugi, including Uesugi Kenshin and Kagekatsu, famed for natural defences, complex baileys and dry moats; it was abandoned in 1607 when the Hori moved to a new Fukushima Castle near Naoetsu.
Culture
Culture & customs
Background
Kasugayama began as the fallback castle of the Uesugi shugo of Echigo, then served four generations of the Nagao and Uesugi, including Uesugi Kenshin and Kagekatsu, famed for natural defences, complex baileys and dry moats; it was abandoned in 1607 when the Hori moved to a new Fukushima Castle near Naoetsu.
Local customs
- (1) Kasugayama Castle Historic Site Plaza (春日山城史跡広場) — baileys, dry moats and earthworks
- (2) View from the main bailey area (本丸周辺眺望) — Joetsu plain and Sea of Japan direction
- (3) Kasuga Shrine (春日神社)
- (4) Rinsenji Temple (林泉寺) — Uesugi family temple area
- (5) Joetsu City History Museum area (上越市立歴史博物館周辺) — Kenshin and Joetsu exhibits.
Etiquette & taboos
Etiquette & taboos
Don’t DON'T
- Red lines: do not climb or dig earthworks and dry moats
- do not remove relics. Taboos: do not make noise or enter non-public areas in shrine and temple grounds
- do not litter on trails. Good manners: wear hiking or sports shoes, walk carefully after rain, descend if conditions worsen. Common pitfalls: (1) expecting a keep to tour — this is a mountain ruin requiring fitness and time
- (2) reading "walkable from Kasugayama Station" as flat ground — it is a hike, so bring water in summer.
Locals appreciate DO
Please respect local residents, open areas, and on-site rules.
Plan your visit
Practical info
| Getting there | Intercity: Hokuriku Shinkansen to Joetsumyoko Station, then the Echigo Tokimeki Railway Myoko Haneuma Line to Kasugayama Station. Local: about a 40-minute walk from Kasugayama Station, or bus to near the trailhead, then a 20–30-minute hike. Pay by IC card or cash; local short-distance fares, per official fares. |
|---|
Travel tips
- Check the official notice for admission and opening hours
- museum entry on the order of a few hundred yen, per official prices. Some trails may close in snowy winter — check official information before going
- the summit is windy, so bring a jacket.
People
People & stories
Sources & verification notes
More in Japan
Also nearby
.jpg?width=800)
Sumidagawa Fireworks Festival
July 25, 2026
Japan's oldest fireworks festival, with about 300 years of history on the river in old Edo: about 20,000 shells light up the night sky over Asak…

Nagaoka Fireworks Festival
August 2, 2026
One of Japan's three great fireworks displays, themed on remembrance, recovery and peace: the giant 'shōsanjakudama' and the 'Phoenix fireworks …

Ōmagari National Fireworks Competition
August 29, 2026
First among Japan's three great fireworks competitions, where the country's top fireworks makers compete side by side — with Japan's only 'dayti…

