This place has the tallest volcano peak in Korea (close to 2000 m or 6300 ft). You can take a hike each of the approach to its summit or pick out any on the less difficult trails close by! This has become the prime ordeals for some vacationers on Jeju https://stephenf319j.bloggip.com/31922506/a-review-of-jeju-hotels-on-the-beach