Odawara Castle: Gateway to Hakone

A reconstructed keep on a quiet hill rewards a stop before the mountain hot springs, with sea-fresh food in the streets below.

Published October 18, 2026 at 9:40 PM JST | By Tokyo Paul

Quick answer: Odawara Castle in Kanagawa is a rebuilt hilltop castle with a three-story main keep, a museum inside and moats and gates in the surrounding park. It stands a short walk from Odawara Station, the usual gateway to Hakone. Visit between trains for the views and local history, then try Odawara's fish paste and dried fish.

Why Odawara Matters

Odawara sits at the western end of Kanagawa Prefecture, where the Sagami Bay coast meets the foothills of the Hakone mountains. For centuries it was a strategic checkpoint on the road between eastern and western Japan, and a castle town grew around the fortress. Today it is the main transport hub for Hakone, with Shinkansen, Odakyu and local trains all stopping at its busy station.

Many travelers pass through Odawara on the way to hot springs and lakes, and they miss what the town has to offer. A castle, a historic center and good seafood are all within easy reach of the station. If you have even a couple of hours before a train, the castle is a rewarding short visit that links the area's past and present.

A Short History of the Castle

Odawara Castle was the seat of the Later Hojo clan, a powerful warrior family that ruled much of the Kanto region in the sixteenth century. Under their rule, the castle grew into one of the largest fortifications in Japan, with extensive earthworks and moats surrounding a whole town. This feature was designed to protect the lord and the people who lived there.

In 1590, the castle was taken after a long siege during the campaign by Toyotomi Hideyoshi, and it later passed to other families during the Edo period. The castle buildings were dismantled in the nineteenth century, and the current main keep dates from a reconstruction in 1960. Other structures, such as gates and turrets, were rebuilt in later decades.

Inside the Main Keep

The three-story main keep stands on a stone base and has a white exterior with a green copper roof. Inside, exhibits display samurai armor, swords, documents and models that explain the castle's history and its role in the region. The upper floor has an observation deck with views over the town, Sagami Bay and, on a clear day, the Hakone mountains.

Check the official site for opening hours, ticket prices and any closures. The stairs are steep, as in many Japanese castles, and the museum has limited elevators, so allow time. Some visitors combine the main keep ticket with a ticket for other facilities in the park. The visit is short, usually taking about an hour, which fits easily between train connections.

The scale of the original castle is a point worth knowing. In the Hojo era the defensive earthworks and moats were said to extend for several kilometers around the town, enclosing homes and farmland. Traces of those lines remain in parts of the city, though most are now streets and hills. Reading the information panels in the park helps you spot the old banks and ditches as you walk.

The Park, Gates and Moat

The castle grounds form a pleasant park, with a moat, bridges and the reconstructed Tokiwagi Gate, a handsome wooden gate with a tiled roof. Walking around the moat and through the gate gives a feel for the castle layout. Cherry blossoms bloom in spring, and the park is popular with locals for picnics and walks. Within the grounds there are also small shops and, in some years, a small zoo area with monkeys, so check what is available. Informational signs along the paths explain the layout of the original defenses. Early morning and late afternoon are quiet times, and the evening lighting in some seasons creates a calm atmosphere.

The stone base beneath the keep deserves a look as well. Walls like this were built without much visible mortar and often curve upward toward the top, a design that was both sturdy and elegant. Walk around the base of the keep slowly and compare how the stones fit together. These details are easier to enjoy on a quiet weekday morning.

Ninja Experience and Family-Friendly Extras

Odawara Castle offers a ninja-themed experience, where visitors can learn about ninja culture and the history of espionage in the region. Facilities for this type of attraction change, so check the current offerings and age limits before you go. It is often popular with families and children. Other attractions in the park include seasonal events such as lantern displays and festival performances. The Hojo Godai Festival in early May features a parade of costumed participants honoring the castle's former lords. Dates are announced in advance by the city. Visitors planning to attend should check early, as crowds and road closures affect the center of town.

Seasonal events add variety. Spring brings cherry blossoms around the moat, early summer brings deep green foliage, autumn offers maple colors in the park, and winter has crisp, clear air with views toward the mountains. In each season, a short walk through the grounds feels different, so the castle suits repeat visits on separate trips to Hakone.

What to Eat and Buy in Odawara

Odawara is famous for kamaboko, steamed fish paste cakes, and the town has a street known for its shops and small museums where you can see how the product is made. Some shops offer free samples or hands-on workshops. Another local specialty is himono, dried and grilled fish, which is salty and savory and pairs well with rice.

The area also produces umeboshi, pickled plums, from the plum orchards on nearby hills, and Odawara lanterns, a type of folding paper lantern. Sweets and souvenirs are sold in station buildings and in shopping streets near the castle. Seafood restaurants near the port serve fresh sashimi and fried fish. Check hours, as some shops close early or on certain weekdays.

For those who enjoy food shopping, the station area has shops selling gifts, from fish paste to local sweets and teas, and the sellers are happy to explain what they offer. The port side of town has restaurants that serve the day's catch, with options such as shirasu, sea bream and horse mackerel. Prices range from modest to higher, so look at displayed menus before sitting down.

Getting There and Combining with Hakone

Odawara Station is served by the Tokaido Shinkansen on some services, by JR Tokaido Line trains from Tokyo and Yokohama, and by Odakyu Romancecar trains from Shinjuku. The castle is about a ten-minute walk from the station. From Odawara, the Hakone Tozan Railway and buses depart for Hakone-Yumoto and the mountains.

A popular plan is to visit the castle in the morning, have a seafood lunch and continue to Hakone in the afternoon. Luggage can be stored in coin lockers at the station, which makes the stop easier. If you are staying longer, Odawara also has a quiet beach and a fish market at the port. Check the Hakone Free Pass terms if you plan to use it.

Frequently Asked Questions

How long should a visit to Odawara Castle take?

About one to two hours covers the main keep, the park and the gates. Add time for lunch and shopping near the station if you wish. A short visit also fits between train connections to Hakone, especially if you store your luggage in a coin locker first.

Is Odawara Castle original?

No. The main keep is a reconstruction from 1960, built in the form of the earlier castle. Gates and other structures were rebuilt in later decades. The stone bases and moat, however, preserve the layout of the old fortress, and the museum inside explains the history in detail.

How do you get from Odawara to Hakone?

Take the Hakone Tozan Railway from Odawara to Hakone-Yumoto, or catch a bus to various Hakone stops. Trains and buses leave from the station area. Timetables vary by season, so check the operator's page, and consider a combined pass if you plan to ride several vehicles.

Keep Exploring

More guides from Tokyo Paul: Hakone in 2 Days: The Loop Route, Japan's Scenic Train Lines: Slow Rides Worth Taking and Mount Oyama: Kanagawa's Sacred Peak.