This paper aimed to provide an overview of the challenges of English academic writing and to investigate how students' learning environments and pedagogical approaches to teaching affect it. Data was collected using online survey. The sample consists of 325 Saudi undergraduate students through a purposive sampling method. The results showed that challenges of mastering, pedagogical approach of teaching and learning environment were a positive significance influence on Mastering of English academic writing among university students in Saudi Arabia. The results provide EFL students and their educators and educational policy makers with a deeper understanding of challenges that the students may face in Higher Education. Researchers should conduct further research on students from diverse disciplines, genders, and ages, as well as from various language institutions and universities.