One of the best Enduro trails nearby Seoul city.
Can't avoid conflicts against hikers since new apartment complex was built near the mountain. So early morning riding is the best option not to encounter them for now.
Spider was filming Sauna guy.
Please, see more of this trail in Yumyumsan by clicking on the link, youtu.be/TEbqZuavaUU

 And this is his riding buddy Abas, youtu.be/ZgvLXDVFJN0