A provincial park in Jeollabuk-do (province) about 4 hours south of Seoul. Developed in the 1990s, new routes continue to be added at Korea's premier sport crag. Excellent limestone with hundreds of routes from a few beginner (5.8) to 5.13+
local busses run from Jeongeup and Gochang, the former on the rail line from Seoul, the latter on the bus line from Seoul's Inner-city terminal. Driving--there's a Seonunsan exit on Expressway 15, or road 22 from Gochang. . . plenty of signs all the way there.