As of summertime 2023, Cheongsapo Daritdol Observatory is free of charge to go to but under upkeep after we visited (so partially open up) ??we hope they repair the cracked panels over the glass walkway ??eek! For those over a tighter budget, you'll find several budget accommodations within just walking https://jejuweather34332.howeweb.com/31012681/top-guidelines-of-busan-haeundae-trip-해운대고구려-budget