See Haruyamaoh Castle.
Haruyamakojō ('Spring Mountain Little Castle') is a yamajiro (mountaintop castle) ruin in Wakaho Township, Nagano Municipality. It is a satellite fortification of Haruyamaôjō ('Spring Mountain Great Castle'). Ruins include earthworks such as kuruwa (baileys), horikiri (trenches) and a dobashi (earthen bridge). The layout of this ridgetop castle consists of a single bailey complex. The bailey is divided by a terrace and there is a horikiri to the rear. The forward of the upper bailey is protected with boulders like a natural bulwark. Beneath here the ridge is narrow, rocky and steep. There is also a horikiri located along the ridge around midway between the two fort sites which make up what is collectively referred to as Haruyamajō ('Spring Mountain Castle').
|English Name||Haruyamako Castle|
|Year Founded||Sengoku Period|
|Castle Condition||Ruins only|
|Historical Period||Pre Edo Period|
|Artifacts||Kuruwa, Horikiri, Dobashi, &c.|
|Access||Hike from Rendaiji Temple to the east of the castle mount|
|Visitor Information||24/7 free; mountain|
|Time Required||30 minutes|
|Location||Nagano, Nagano Prefecture|
|Coordinates||36° 36' 35.28" N, 138° 16' 0.16" E|
|Added to Jcastle||2023|
|Admin Year Visited||Viewer Contributed|
|Friends of JCastle|