If you like podcasts and are new to rock climbing in South Korea, or if you want to hear some useful information with interesting trivia, check out the iGuideKorea podcast on rock climbing.
In the podcast titled: IGUIDEKOREA PODCAST EPISODE 2: CLIMBING IN SOUTH KOREA, Eddy Park, the host, covers topics like a brief geology of the country and some history. Did you know the first 5.10 climbing shoes were built on the Korean model's feet?
Check out the podcast here: https://www.iguidekorea.com/podcasts/.
Enjoy and hope you find it useful.