daringdaddy https://blog.hatena.ne.jp/daringdaddy/ Japan Trail Guide by Daringdaddy https://en.daringdaddy.com/ Hyakumeizan Kanto Gunma [:contents] Akagi-san (赤城山, 1,828 m) is a large stratovolcano in Gunma Prefecture, listed by the Japan Meteorological Agency as an active volcano. Roughly 25 km across at its base, it is a composite volcano with summit calderas and central cones rather than a single peak — the name "Akagi-san" refer… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fen.daringdaddy.com%2Fentry%2Fhyakumeizan-en-akagi-san" title="Akagi-san Hiking Guide: The Caldera Lake Stratovolcano of Gunma (2026) - Japan Trail Guide by Daringdaddy" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> https://cdn-ak.f.st-hatena.com/images/fotolife/d/daringdaddy/20260626/20260626235758.png Hatena Blog https://hatena.blog 2026-05-10 20:26:01 rich https://en.daringdaddy.com/entry/hyakumeizan-en-akagi-san 1.0 100%