The park is located on the grounds of what was historically a secondary complex associated with the nearby Zenko-ji temple.
The dinosaur models are life-sized sculptures specifically designed as climbing and interactive play equipment for children.
The onsite Nagano City Museum stores artifacts related to the Kofun period found in local excavation sites.
The park functions as a major local vantage point for observing the seasonal foliage of the Northern Alps.
The site hosts specific cherry blossom viewing areas that are frequently used by local residents during the spring season.
Jōyama Park is a hilltop public space in Nagano city, best known for its collection of large dinosaur models that serve as a primary attraction for families. The park is situated adjacent to the Nagano City Museum, which features local history and archaeological exhibits. It occupies a portion of the former site of the Zenko-ji temple's subsidiary religious institutions, reflecting the area's historical depth. The grounds include expansive open grassy areas, playgrounds, and traditional Japanese garden elements. Elevated positioning offers panoramic views of the surrounding Nagano basin and mountain ranges. The park is fully integrated into the public green space network managed by the Nagano municipal government. Visitors can transition directly from the park grounds into the nearby mountain forest paths.
The elevated viewing platform near the dinosaur area looking out over the city and the northern mountain range.
Combine your visit with the Nagano City Museum to see both local history and the outdoor dinosaur installations.
Bring a picnic blanket as the park features extensive lawn areas frequently used by local families.
Check the local weather forecast before visiting, as the elevation makes the park windier and cooler than the city center.
Do not expect a high-tech theme park; these are stationary, static models intended for park play, not an animatronic exhibit.
Carry-in, carry-out trash policy applies; keep dogs on a leash and clean up after them.
