The mountain is located at the Northern border of Seoul, Korea.
The distance I walked is not far, but it takes more time because the trail is almost climbing on the rock. So, don’t underestimate travel time by just looking at the length of the trail.
I started the hike from Bangkak subway station, then took a bus # 130, and rode a taxi to the trailhead.
The trail is almost walking on the rock from beginning to the end. Some part, there is a guided rope, and some does not have. You should be better to wear shoes with good traction and sticky on the rock.
The rock formation in this range is incredibly beautiful, and ther are so many places to take pictures. My only complaint is taking too much time to see the scenery.
Baegundae is the highest peak in the Bukhansan with 836 meter (2742 feet). Compare to the mountains in the southern california, it is small mountain range. It is rather compact version that collects all pretty rocks together.