Tokushima Prefecture occupies the northeastern corner of Shikoku island, facing Osaka Bay and the Kii Channel across the Naruto Strait. It is best known for two very different natural spectacles: the Naruto whirlpools, where powerful tidal currents collide to form swirling vortices up to 20 meters across, and the remote Iya Valley, a steep, cedar-forested gorge in the prefecture's mountainous interior where vine suspension bridges have carried travelers across the Iya River for centuries. Tokushima City, the capital, is famous nationwide for the Awa Odori, Japan's largest traditional dance festival, held every August since the Edo period and drawing over a million spectators. The prefecture was historically Awa Province, ruled for nearly 300 years by the Hachisuka clan from Tokushima Castle, and its Edo-period wealth was built on the cultivation and trade of Awa-ai indigo dye, a craft still practiced today.
Tokushima Prefecture is extremely safe. Violent crime against tourists is exceptionally rare. The primary risks are natural hazards — Tokushima's Pacific-facing coastline places it directly in the Nankai Trough earthquake and tsunami warning zone, and typhoons are common June through October — plus minor practical issues like rural language barriers and cash-only businesses in the Iya Valley. Solo travelers, women, and families can all move freely with confidence.
Current safety advisory
Very High — Japan Consistently Ranks Among The World's Safest Countries For Travelers
Essential safety tips
Practical advice that applies everywhere.
Keep copies of important documents (passport, insurance) in separate locations.
Stay aware of your surroundings, especially in crowded areas and tourist hotspots.
Use registered taxis or rideshare apps. Avoid unmarked vehicles offering rides.
Trust your instincts — if a situation feels wrong, remove yourself from it.
Common scams to avoid
Recognise and sidestep tourist-targeted scams.
Health considerations
Staying healthy on your trip.
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- Medical facilities
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- Tokushima University Hospital (+81-88-631-3111, 2-50-1 Kuramoto-cho, Tokushima) is the region's main emergency and referral hospital. Smaller clinics serve Naruto, Anan, and Miyoshi; facilities in the Iya Valley are limited. English-speaking doctors are uncommon outside Tokushima City — bring a written Japanese translation of any medical conditions.
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- Tap water
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- Tap water throughout Tokushima Prefecture is safe to drink, including in Tokushima City and rural mountain towns.
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- Vaccinations
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- No mandatory vaccinations for Japan. Standard travel vaccines recommended by most health authorities: hepatitis A, tetanus, and flu. Japan has no malaria or yellow fever risk.
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- Pharmacies
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- Pharmacies (yakkyoku / drug stores) are widely available around JR Tokushima Station and central Tokushima City. Prescription medicines require a Japanese prescription; bring an adequate personal supply, especially before heading into the Iya Valley where pharmacies are scarce.
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- Heat and sun
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- Summer temperatures regularly reach 30–33°C (86–91°F) with high humidity. Heatstroke risk is significant during Awa Odori (mid-August) and outdoor Naruto/Iya Valley sightseeing. Carry water, wear sun protection, and avoid strenuous midday activity.
Safety for specific travellers
Tailored advice for different groups.
Emergency contacts
Numbers to know before you go.
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