The Hoengseon Sanullim Auto Camping site, located in Sindaegok Valley in Gangwon Province, is about 130 km from Seoul (approximately 2 hours by car). The 20,000 m² campground offers 50 tent sites with electricity and water. Adult admission is 10,000 KRW, with separate site fees. Operating hours are 9:00 AM to 6:00 PM, and advance reservation is required. Pets are not allowed.