秋陽に湖畔を彩る10,000本のもみじ もみじ湖（箕輪ダム）を訪ねて | 長野伊那谷観光局

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Search query: 秋陽に湖畔を彩る10,000本のもみじ もみじ湖（箕輪ダム）を訪ねて | 長野伊那谷観光局