High Quality Content by WIKIPEDIA articles! The Sobaek Mountains are a mountain range cutting across the southern Korean peninsula. They split off from the Taebaek Mountains and trend southwest across the center of the peninsula. They are traditionally considered to reach their southwestern limit at Jirisan, which is also the highest peak of the range. Other famous mountains in the range include Songni Mountain, Joryeong Mountain, Gaya Mountain, Worak Mountain, and Sobaek Mountain itself. The peaks of the Sobaek Mountains are generally well over 1000 m above sea level.