The park's name refers to Koga City's geographical position as the 'navel' or central hub of the Kanto region.
The miniature railway system uses actual tracks that navigate through the park's forested sections.
The site includes a designated 'Fureai House' intended to facilitate indoor recreation for children.
Barbecue and camping amenities are provided on-site, requiring prior registration for use.
Navel Park serves as a sprawling community recreation center in Koga, Ibaraki, featuring a signature miniature railway that loops through its wooded landscape. The park is anchored by a large fishing pond and extensive outdoor athletic facilities, including an adventure playground. It hosts a dedicated indoor 'fureai' center for children, offering play spaces suitable for various weather conditions. Guests have access to barbecue areas and overnight camping facilities located within the park grounds. The park is specifically designed as a multipurpose green space for families, balancing recreational sports with nature-focused activities. The site maintains several seasonal attractions, including an obstacle course and open grassy fields for general leisure.
The miniature train crossing the arched wooden bridge within the park grounds.
Bring comfortable walking shoes as the park covers a significant area with uneven paths.
Check the park's official website in advance if you plan to use the barbecue or camping facilities, as these typically require reservations.
Pack sunscreen and bug spray, as much of the park is exposed or located near water.
Do not attempt to use the camping or BBQ pits without confirming availability, as these areas are often fully booked by local groups on weekends.
Closed on Wednesdays; if a national holiday falls on a Wednesday, the park remains open and closes the following day.
Respect noise levels near the residential outskirts; pack out all trash as there are limited public bins.
