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Daio Wasabi Farm — Japan's Largest Wasabi Fields

Published: Jul 22, 2026

Updated: Jul 22, 2026

wasabi farmagricultureJapanese AlpsKurosawafood

Daio Wasabi Farm — Japan's Largest Wasabi Fields

Daio Wasabi Farm (大王わさび農場) is Japan's largest wasabi cultivation facility, covering 15 hectares of terraced fields fed by pristine snowmelt from the Northern Japanese Alps. Real wasabi (Wasabia japonica) is notoriously difficult to grow, requiring cold, clean flowing water and specific temperature ranges. The farm produces 150 tons of wasabi annually, supplying high-end restaurants across Japan.

Visitors can walk through the fields, observing wasabi plants growing in crystal-clear spring water channels, and sample fresh wasabi products: wasabi soft-serve ice cream (surprisingly sweet and mild), wasabi croquettes, and freshly grated raw wasabi on rice crackers. The farm also features a restored watermill used in Akira Kurosawa's film 'Dreams' (1990). Harvested wasabi rhizomes take 18–24 months to reach maturity, and the farm demonstrates the labor-intensive cultivation process.

Essential Information

Opening Hours

9:00 AM – 5:00 PM year-round

Closed: Open year-round

Entrance Fee

Free entry | Restaurant and gift shop on-site

Best Season

Spring (April–May, cherry blossoms along waterways) | Autumn (October, fall colors + mountain backdrop)

Visit Duration

60–90 minutes

Getting There

Access Information

Azumino City (20-min bus from Hotaka Station, 45-min train from Matsumoto). Free entry, open 9:00–17:00 year-round. On-site restaurant and gift shop. Visit duration: 60-90 minutes.

Insider Guide

Premium

**Fresh wasabi experience:** The farm restaurant offers 'wasabi-don' (¥1,200) — steamed rice topped with fresh-grated wasabi, bonito flakes, and soy sauce. Grate the wasabi yourself using a sharkskin grater (provided). Real wasabi is sweet, vegetal, and complex — completely different from the green horseradish paste served at conveyor-belt sushi chains. **Best seasons:** Spring (April–May, cherry blossoms along the waterways) and autumn (October, mountain backdrop with fall colors). Summer offers lush greenery but can be hot. Winter (January–February) features snow-covered wasabi fields — photogenic but cold. **What to buy:** Fresh wasabi rhizomes (¥1,000–2,000 depending on size, keeps refrigerated for 2 weeks). The farm also sells wasabi-leaf tsukudani (¥650), wasabi chocolate (novelty, but surprisingly good), and premium wasabi paste tubes (made from real wasabi, unlike grocery store tubes). **Photography:** The watermill area (Kurosawa film location) is the most scenic spot. Morning light (9:00–10:30) provides the best illumination of the clear water channels. Polarizing filter recommended to reduce glare on water.

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