블랙야크 알파인 클럽 BAC (Blackyak Alpine Club) is a social activity platform where users can explore the representative mountains and beautiful islands of South Korea, share outdoor activities, and meet new people. Whether you enjoy hiking, backpacking, camping, or any other outdoor activities, anyone can join BAC for free and choose their desired challenge program to upload their hiking certifications. If you're unsure which mountain to visit or who to go with, BAC is the perfect platform to start your outdoor adventures.

[Challenge Programs]

• 100 Famous Mountains
• 100+ Famous Mountains
• Baekdu Daegan Trail
• Island & Mountain
• Nakdong River Vein
• Hanbuk Vein
• Clean Mountain 365 (under renovation)

[Key Features]

• Register certifications for mountains you have visited
• View the locations of certification points for each program
• Browse recent hiking certification feeds
• Join regional challenge clubs and participate together
• Purchase BAC commemorative items, such as patches, at the Club Shop

[Customer Support]