Hollowed into the rocks of Seoraksan Mountain, about 600 meters above sea level, you will find Geumganggul Cave. This 23 square meters cave was once used as a place of worship, and contains a stone sitting Buddha and some earthenware. The route up the cave is quite steep, and visitors must walk across a few bridges and up concrete stairways. However, you will be rewarded with a captivating view of Cheonbuldong Valley.
The hiking trail from Seorakdong to Geumganggul Cave, which also passes by Biseondae, is 3.6 kilometers long and takes about 1 hour and 40 minutes.