The main objective of this study is to explore to what extent the Self-Access Center (SAC) use promotes autonomous language learning. To achieve this objective, Level-2 and Level-3 Peacekeeping English project students of Addis Ababa and Harrar Self Access Centers were chosen as a participant of the study. For the purpose of gathering sufficient and reliable data, three instruments were used. The questionnaire is used to assess students feeling about the SAC, the materials they use to improve their language skills, self-assessment, language learning strategies and how the SAC is helping them. The interviews are used to get a detail overview of the information gathered through the questionnaire. And the observation is also used as a supplementary tool for the data gathered through the questionnaire and interview. Then,the data were analyzed both qualitatively and qualitatively. The findings shows that students are good in making self-assessment, deciding on their language learning process and independent use of material. However,students still have problems on setting their language learning goals, discussing on their own language learning strategies and use of learners note book.