◎ 북한산 여성봉 오봉 송추계곡 단풍산행 Hiking in Songchu Valley, Obong, the female peak of Bukhansan Mountain in Korea ◎ 산행코스: 경기 양주 송추주차장-오봉탐방지원센터-여성봉(504m)-오봉(660m)-(자운봉.송추계곡갈림길)-송추폭포-송추계곡-송추주차장 (8.8Km. 4시간반, 안산푸르지오8차산악회 2023.10.23.) https://www.youtube.com/watch?v=0Wf1vPIF6UM&list=PLBgDtymnGmrJF7ZdRNcUOkQkf67Ks-sh3&pp=gAQBiAQB