The present study was carried out to examine the impact of the outdoor activity-based values education program on the effective citizenship values of sixth-grade secondary school students. In addition, the implementation process for the outdoor activity-based values education program was examined within the context of student, teacher, and parent opinions. The study was carried out within the scope of the exploratory sequential mixed pattern from among the mixed design patterns utilizing both the qualitative and quantitative data collection methods. The quantitative data were obtained from the implementations using the "effective citizenship values scale". In contrast, the qualitative data were obtained from students, teachers, and parents via the semi-structured interview forms. It was concluded as a result of the study that the implemented values education program positively impacts the students' effective citizenship value levels. Furthermore, it was also reported that the study enabled learning through doing and living, resulted in permanent learning, positively impacted student behaviors, and improved students' values.