The facility is based on the motif of the Fuuma Ninja, who are said to have supported the Hojo clan during the Warring States period, and allows visitors to learn about the history of the five generations of the Hojo clan and the Fuuma Ninja through hands-on experience.

Odawara Castle Ruins Park, centered on Honmaru Square where the castle tower is situated, is designated as a National Historic Site and is one of Odawara's most popular tourist attractions. The park is well known for its cherry and plum blossoms, and the numerous events held there throughout the year.

With a trunk circumference of 4.5 meters, it is the largest inumaki tree in Odawara City and is designated as a natural monument of the city. Out of all of the large trees in the Odawara Castle Ruins, this inumaki is the most magnificent in shape.

Swords and armor are on display at Tokiwagimon. We also have a cosplay experience where you can transform into a samurai, princess, or ninja with our armor and kimono. Why not take a commemorative photo wearing armor, uchikake, or ninja costumes with Odawara Castle in the background? Adults (junior high students and above): 500 yen Children (elementary school students and younger): 300 yen

A base facility that distributes information on Odawara tourism and provides content for visitors to experience the traditional culture of the region. This facility also features various hands-on workshops, a café, museum store, bicycle rentals, and rental space. The building itself is made of Odawara cypress and Japanese cedar.Visitors can experience Odawara's traditions and culture through the “Odawara Chochin,” “Yosegi-zaiku,” “Kaisendon,” and a variety of other content that both adults and children will enjoy through same-day reception (no reservations required).