The Asonuma clan were a branch of the Sano clan with holdings throughout the area. Asonuma castle was a small castle with a single earthen embankment and trench around the square compound. It was abandoned in 1614 when the Sano were reassigned.
Only a small part of the trench and embankment behind the Asanuma Hachimangu shrine remain today.
|English Name||Asonuma Castle|
|Year Founded||Asanomuma clan|
|Castle Condition||Ruins only|
|Historical Period||Pre Edo Period|
|Access||Sano Sta (Tobu Sano Line) 15 min walk|
|Time Required||10 mins|
|Location||Sano, Tochigi Prefecture|
|Coordinates||36° 18' 39", 139° 35' 14"|
|Visits||November 25, 2017|