OZE National Park, trekking in August, 2024. From Aug. 26 to 28, 2024. Trekking in Oze national park. Course, Day 1: Hatomachitouge – Oze yamanohana – Ozegahara – Ryugu – Miharashi #trekking #oze #marsh #gunma #群馬県 #群馬 #군마 #트레킹 Gunma 群馬