Kosmaj Explore Serbia Kosmaj KosmajMap Kosmaj Upcoming Events 7:30 am – 8:00 pm, – Kosmaj winter hiking About Author Explore Serbia Explore Serbia is an organization that develops and promotes adventure and rural tourism of Serbia and the Balkans. We are adventurers who combine our personal experiences, interests, and knowledge in creating adventure tours. Previous postSubotica sandstoneNext postCer Mountain