Ulsanbawi, sometimes spelled Ulsan Rock, is a rock with six peaks. It is situated in Seoraksan National Park in Sokcho, Gangwon Province, South Korea. Ulsanbawi is one of the primary attractions of Seoraksan, along with Heundeulbawi, Biryeong waterfall (비룡폭포), and Yukdam waterfall.

Seoraksan National Park, also Mount Sorak National Park or Mount Sorak Biosphere Reserve, is a national park in South Korea. It is listed by the South Korean government with UNESCO as a tentative World Heritage Site. The government designated the area as a nature reserve in 1965 and UNESCO designated it as a biosphere reserve in 1982. It was also the first Korean national park to be named under the National Park Law in 1970. Located on the east-central Korean peninsula, the reserve includes the Dinosaur Ridge, Injegun, Yanyanggun, and Sokchosi. It is popular with tourists and nature enthusiasts. It is home to many rare taxa of flora and fauna.