Iwabana, Place of Scenic Beauty in Ueda, Japan.
Iwabana is a scenic site where cliffs approximately 120 meters high rise on both sides of the Chikuma River, creating a natural corridor through solid rock. The rock faces display clear layers and color variations that reveal the age and formation history of these structures.
This rock formation originated over 10 million years ago when magma intruded into marine sedimentary rocks on the Sea of Japan floor. River erosion subsequently carved out the distinctive cliffs visible today.
The name Iwabana means 'rock nose' in Japanese, reflecting how the cliffs jut into the Chikuma River like a natural barrier. This distinctive shape is immediately visible from the water and surrounding pathways.
The site is accessible via regular bus services from Ueda Station, with visitor information available at the Ueda Road and River Station facility. The most rewarding views come from the riverside, where you can see the cliffs from different angles.
According to local legend, a divine mouse gnawed through the mountain, allowing an ancient lake to drain through the narrow passage between the cliffs. This tale remains part of how people understand this place.
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