Tokyo Skytree

About This Activity

Onioshidashi Volcanic Park is a striking testament to the raw power of nature, created by a major eruption of Mount Asama in 1783. Located on the mountain’s northern slope in Gunma Prefecture, this surreal landscape is scattered with jagged volcanic rocks that resemble a natural stone garden. The name "Onioshidashi" translates to “where demons pushed out rocks,” referencing local legends that tie the dramatic scenery to mythical tales.

Visitors to the park are greeted with panoramic views of the surrounding mountains and forests, making it a popular destination for photographers and hikers. Well-maintained trails meander through the rocky terrain, providing a chance to explore up close the aftermath of one of Japan’s most famous eruptions. Informative signboards in English and Japanese explain the geological history and significance of the area, making it both an educational and visually stunning experience.

A highlight within the park is the Asamayama Kannondo, a serene Buddhist temple nestled among the rocks. This cultural site offers a place for quiet reflection and also acts as a spiritual symbol of protection from natural disasters. Seasonal changes enhance the beauty of the park — cherry blossoms bloom in spring, lush greenery takes over in summer, and the rocks contrast beautifully against autumn foliage.

Onioshidashi is accessible by car and is family-friendly, with rest areas and small cafes nearby. Whether you're fascinated by geology, enchanted by landscapes, or simply looking for a peaceful walk through one of Japan’s most unique volcanic areas, Onioshidashi Volcanic Park delivers a memorable experience.

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