Year-round Hiking in the Atlas Mountains. Embark on a captivating hiking adventure in the Atlas Mountains, where exploration knows no season. The optimal time to visit is during spring and autumn, offering mild temperatures and lush, green landscapes. Stretching across Morocco from north to south, the Atlas Mountains boast an array of trails suitable for hikers of all levels. While the renowned route from Imlil to Toubkal National Park is a favorite, numerous other trails traverse valleys and cross passes, revealing the beauty of this majestic mountain range.