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国道10号線沿いにある風連鍾乳洞は、「風連洞窟」として国の天然記念物に指定されています。
奥行約500mの閉塞型の鍾乳洞であるため外気の侵入が少なく、風化することもなく純白に近い光沢を放ち続けています。洞穴内は一定の温度に保たれており、夏は涼しくて冬は暖かい天然のエアコンです。
駐車場からセンターまでの遊散歩道は、四季折々に色を変える美しい山々に囲まれ、春の桜、椿が特に素晴らしく、洞内とは違った自然の美しさを楽しむことができます。
