Kiso Sansen Park, National Government Park in Aichi Prefecture, Japan.
Kiso Sansen Park spreads across three major river systems—the Kiso, Nagara, and Ibi—spanning Aichi, Gifu, and Mie prefectures. The grounds contain multiple areas with different landscapes and water-centered features for exploration.
The park opened in 1987 following Japan's Urban Parks Law, representing a national effort to develop public green spaces. This establishment connected three important river valleys into one unified recreation area.
The park hosts seasonal events that draw visitors throughout the year, with spring flower displays and winter lighting installations that transform how people experience the landscape.
The park is open daily with free admission and parking available throughout the grounds. It's best to arrive early, especially on weekends, to explore the areas without crowds.
An observation tower here provides sweeping views of all three river valleys, revealing how the waterways shape the landscape. Elsewhere, a water ecology area explains the connection between these river systems and local nature.
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