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The search results provided contain extensive information about **Hirosaki Castle Snow Lantern Festival** (located in **Aomori Prefecture**, northeastern Japan). However, your query requests content combining "hirosaki-snow-festival-winter-celebration" with "nagano-winter-illumination-route."
**Nagano Prefecture is approximately 600 km (373 miles) south of Aomori Prefecture.** These are distinct regions with separate winter festival circuits. The search results contain no information about a "Nagano Winter Illumination Route" or how to connect Hirosaki's snow festivals to Nagano-based events.
To provide accurate, comprehensive travel content, I need clarification:
1. **Are you requesting a multi-destination itinerary** combining Hirosaki snow festivals with separate Nagano winter illuminations into one cohesive route?
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