Welcome to the Blacknall Adult Retreat (BAR) website. The BAR is an annual event held in February and sponsored by Blacknall Memorial Presbyterian Church in Durham, North Carolina. Everyone over the age of 18 is welcome to come. You do not have to be a member of Blacknall to attend. In fact, you do not even have to be a Presbyterian! Just someone who loves the Lord and wants to grow in their walk with Him.