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Overview (history, characteristics, attractions)
Oka Castle (Oka Castle Ruins and Oka Castle Ruins Park) is the remains of a mountain castle from the Middle Ages to the early modern period in Taketa City, Oita Prefecture, and is known for its abundant stone walls and the views from the mountaintop. It was developed as a castle from the Sengoku to Edo periods, and even after its abandonment, the remains of the stone walls and kuruwa (enclosures) remain in good condition. It is also known as the place where composer Rentaro Taki got the idea for his song "Kojo no Tsuki," and the beautiful scenery attracts many tourists, especially during the cherry blossom season and the autumn foliage season.
Highlights
- Stone walls: A magnificent series of stone walls stretching across the mountain slope. Characterized by their placement that makes use of the natural terrain, they are a popular photo spot.
- Main enclosure and enclosures: You can stroll around the remains of the castle's enclosures, including the main enclosure and second enclosure, and get a sense of its former scale.
- Observation point/city view: Enjoy a panoramic view of Taketa city and the surrounding mountains. It's especially open on sunny days.
- "Kojo no Tsuki" Monument: There is a monument and information board related to Rentaro Taki's work, allowing you to learn about the literary background.
- Cherry blossoms and illuminations: Famous as a cherry blossom viewing spot in the spring, the area is sometimes lit up at night, creating a fantastical landscape (please check the dates).
- Walking paths and stone steps: Walking paths have been developed in harmony with nature, making it fun to explore the castle ruins.
Access (nearest station, transportation, etc.)
- Nearest station: Takeda Station on the JR Toyohashi Main Line. From the station, you can walk or take a taxi to Oka Castle.
- Public transportation: Approximately 20-30 minutes on foot from Takeda Station (there are slopes and stairs), or approximately 5 minutes by taxi (approximately).
- By car: From Oita City, it takes approximately 1 hour to 1 hour and a half by car (depending on traffic conditions). Most routes pass through temples, shrines, and urban areas.
- Parking: There is a parking lot near Oka Castle Ruins Park (it gets crowded during peak season, so we recommend arriving early). There may be space available for large buses, but it is best to check in advance.
- Note: It is a good idea to check the local information center or tourist information page for information on seasonal events (such as nighttime illuminations) before visiting.
Estimated stay (estimated time required)
- Easy walk around: 30-45 minutes
- A leisurely stroll and photography: 1-2 hours (more time if you plan to visit the cherry blossoms, autumn leaves, or illuminations)
Nearby spots
- Stroll through the castle town of Taketa City: Enjoy the traditional townscape, restaurants, and souvenir shops.
- Taketa City Historical Museum and Tourist Information Center: Useful for learning about the history of Oka Castle and Taketa.
- Nagayu Onsen (travel by car): You can soothe your travel fatigue at the nearby hot springs (approximately 30 minutes by car).
- Nearby nature and viewing spots: We also recommend taking in the scenery from the surrounding mountains and driving courses.
Things to be aware of (crowds, manners, seasonal precautions, etc.)
- Watch your step: There are many stone steps, unpaved paths, and steep slopes, so wear comfortable shoes. The trail can be slippery in rainy weather.
- Crowds: The park gets extremely crowded during cherry blossom season, autumn foliage season, and when illuminations are held. Parking lots and observation spots tend to be crowded, so we recommend visiting early in the morning or on a weekday.
- Preservation and Manners: The ruins are a valuable cultural heritage. Entering the stone walls, writing graffiti, and collecting vegetation are prohibited. Please follow the signs and no-entry areas.
- Nighttime visits: Access may be restricted at night except during illumination events. Be sure to check the information in advance if you plan to visit at night.
- Facilities: Toilets and shops may be limited, especially during peak periods, so it's a good idea to prepare drinking water and other essential items in advance.
- Use of drones, etc.: In order to protect historical sites and to prevent nuisance to local residents, drone flying is generally prohibited. If you wish to use a drone, be sure to check and obtain permission in advance.
- Pets: Pets may be allowed, but please be mindful of other visitors and protect the historic site by observing proper etiquette (keeping pets on a leash, cleaning up feces, etc.).
Before you visit, it's a good idea to check the latest information (transportation, illumination and event information, parking situation) with the Taketa City Tourism Association or the official guide for the Oka Castle Ruins (or the Taketa City tourist information page). We hope you enjoy your trip.
