Gunma
Kanto
Known for Kusatsu and Ikaho hot springs, and scenic Haruna and Akagi mountains.
Capital
Maebashi
Best Time to Visit
Autumn (October to mid-November) for foliage at Kusatsu and Shima Onsen; winter for snow activities. Spring brings cherry blossoms to Numata.
Getting There
Limited express from Tokyo's Ueno to Takasaki (50min, ~¥3,000) then local train or bus to Kusatsu (2h total). Or bullet train to Karuizawa then bus.
Top Highlights
Kusatsu Onsen
One of Japan's top three hot spring resorts, famous for the Yubatake (hot spring field) — a wooden water channel cooling acidic thermal water at its center.
Haruna-san Volcano
Sacred dormant volcano with a caldera lake — popular for ice fishing in winter and azalea viewing in spring.
Numata Castle Park
Hilltop castle ruins with panoramic mountain views, particularly stunning during cherry blossom season.
Yagisawa Dam
Japan's first arch dam, now a popular autumn foliage viewing spot along the Katashina River valley.
Local Cuisine
Okkirikomi
A thick flat wheat noodle stew loaded with root vegetables, a warming winter staple of Gunma farm households.
Yaki-manju
Steamed sweet buns skewered and grilled over charcoal with a caramelized miso glaze — the ultimate Gunma snack food.
Konnyaku
Gunma produces most of Japan's konnyaku (konjac). The local variety is firmer and more flavorful, eaten as sashimi or stewed.
Stay Connected in Gunma
Yesim eSIMs activate on arrival — no SIM swap needed. Japan data plans from $5.
Frequently Asked Questions
Is Kusatsu Onsen good in winter?+
Excellent. Kusatsu's strong acid water doesn't freeze even in deep winter, and the Yubatake illuminations make evening walks magical. Skiing is available at nearby Kusatsu International Ski Resort.
No experiences listed yet for Gunma.
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