Mt. Akagi
Mt. Akagi
Mt. Akagi
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Mt. Akagi


Last updated: December 21, 2020

Scenic hikes and lake views

Mt. Akagi offers beautiful hiking trails with easy access from other parts of Gunma as well as Tokyo. Mt. Akagi is a cluster of peaks surrounding the Lake Onuma caldera, and you can see the calm, deep blue lake from almost any vantage point.

A popular hiking course starts at the Mt. Kurobi trailhead to a lookout at the summit, with panoramic views all the way to Mt. Nikko-Shirane.

Lake Onuma is a popular summer getaway with camping grounds, rental boats, and small inns. Most of the restaurants and cafes are at the south end of the lake, along with the main bus stop and parking area.

Basic Information


Akagisan, Fujimimachi, Maebashi ( Map)


About 60 minutes by bus from Maebashi Station

About 60 minutes by car from Akagi IC of Kan-Etsu Expressway



Winter road closures between Akagi Onsen and Kono (mid-December to early April) and between Sunagawa to the intersection near Ono (early January to mid-March)

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Stories & Guides

Get inspired by stories about rural getaways, hiking adventures, onsen hopping, and local cuisine. Find out more about the unique charm of Gunma in our comprehensive articles, guides, and itineraries.

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