Travel tips from Daegu:
Dong daegu train station - trains leave starting at 6am to 10:40pm all thru the day every 40 minutes, to Gwangju.
Hop a short taxi from gwangju train station to gwangju express bus terminal, aka inter-city terminal.
Bus from gwangju express bus terminal straight to Seonunsa! 1 hour and 40 mins. times: 8:50am, 10:20am, 11:50am, 1:14pm, 2:50pm, 4:15pm (last).
Or phone 1330, a foreigner help line. They'll give you all the same directions.
See you in the hills.
Oh, the delicate peregrinations of those ten sensitive fingers, scuttling across the rocks in desperate Braille. - Sid Marty