The study in our hands aims to try to know the role of outdoor walking in alleviating some psychological stresses caused by Covid-19 among High school students, for that, we followed the descriptive approach using the survey method where the study sample consisted of 20 High school studentswere they were chosen randomly from the original community that represents all High school students at the level of the city of Relizane (Algeria). For data collection, we used the questionnaire, in the same time, for the treatment of the results, we used Pearson correlation coefficient in addition to the chi-square test, the most important results of the study came that the outdoor walking has a role in reducing the psychological stress caused by Covid-19 among High school students. We suggested placing a psychologist in the High school studentsunits, to help them overcome their psychological problems, and to make sure to include outdoor walking in theireducational programs because it has a significant impact on their mental health

walking ,The open air , psychological stresses ,Covid 19 ,High school students.