Summer At Friends Camp 5114 N Charles St, Baltimore, MD21210 Summer at Friends Camp is a summer camp for boys and girls from ages 4 to 13. It is located on the 35-acre campus of…More Friends School in Baltimore, with air conditioned buildings and top-notch facilities. The camp has been operating for over 50 years. Enrollment may be from one to eight weeks during the summer. The staff works throughout the year to assist, and information is available about the camp's programs starting in January.