Gunma Konjac Dishes — Yam Jelly Specialty
Konjac (蒟蒻, konnyaku) is a jelly-like food made from the corm of the konjac yam, with a chewy, gelatinous texture and neutral flavor that absorbs sauces and broths. Gunma produces 90% of Japan's konjac, and the prefecture has elevated this humble ingredient into regional cuisine — konjac sashimi (刺身, thinly sliced with miso or soy dipping sauce), oden konjac (おでん, simmered in dashi broth), miso dengaku (田楽, grilled with sweet miso), and konjac noodles (substitutes for pasta or ramen, zero calories).
The texture is polarizing — gelatinous, slippery, and resilient to chewing. But konjac is prized for health benefits (zero calories, high fiber, aids digestion) and its ability to showcase sauces and seasonings. Takasaki and Tomioka have konjac specialty restaurants and shops selling konjac in dozens of forms — blocks, noodles, chips, and even konjac sweets.
Essential Information
Opening Hours
Konjac Park: 9:00 AM–4:30 PM (buffet: 10:00 AM–3:00 PM) | Restaurants: 11:30 AM–2:00 PM, 5:30 PM–9:00 PM
Closed: Konjac Park: open daily (check holidays) | Individual restaurants vary — many close Mondays
Entrance Fee
Konjac Park factory tour + buffet: free | Restaurant kaiseki: ¥2,500–4,000 | Street stall dengaku: ¥500–800
Best Season
Year-round; Konjac Park is an indoor attraction unaffected by season or weather
Visit Duration
Konjac Park: 90 minutes (factory tour 30 min + free buffet 30 min) | Restaurant meal: 60–90 minutes
Getting There
Access Information
Insider Guide
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