BAC (Blackyak Alpine Club) is a social activity platform where you can share outdoor activities and meet various people while exploring Korea's famous mountains and beautiful islands. Anyone who likes outdoor activities such as hiking, backpacking, camping, etc. can join for free, and select the challenge program of their choice to increase their hiking certification. If you are wondering which mountain to go to, who to go with, and how to go there, start your challenge at BAC. [Challenge Program] - Famous Mountain 100 - Famous Mountains 100+ - Baekdudaegan - Islands & Mountains - Nakdong vein - Hanbuk vein - Clean Mountain 365 (under reorganization) [Main features] - Register for certification of the mountains you have visited - View the location of certification points by program - View recent hiking certification feed - Join a local challenge club and take on challenges together - Club shop where you can buy BAC souvenirs such as commemorative patches ---------- Black Yak Alpine Club requires the following access rights to provide services. [Required access rights] - doesn't exist [Optional access rights] - Photos and videos / Camera: Used to take and attach photos when writing posts. - Location: Used to check GPS footprint through current location at a specific authentication point. - Phone: Used to maintain the device's authentication status and use the accuracy of the user's location. - Notification: Used to send notifications about challenge status notifications, changes in authentication status, and community function usage details. *You can use the app even if you do not agree to the optional access permissions. *If you do not agree to the optional access rights, normal use of some functions of the service may be difficult. [customer service center] bac_team@blackyak.com