History surrounds you at Kanayama Castle Ruins. From how it was built to what it was used for, this towering structure has some secrets behind its doors.
You'll be spoiled for sightseeing choice when spending time in Ota. Kanayama Castle Ruins is an ideal place to begin here, but there are many other interesting places to experience. Gunma Children's Land, Mikazukimura Historic Village, and Orihime Shrine are near the fortified complex and will fill in your day nicely.