Walking in Bulgaria's National Parks - Pirin, Rila and Central Balkans National Parks
A guidebook to 12 multi-day treks in Bulgaria's highest and wildest mountain ranges in the Pirin, Rila and Central Balkan national parks. The treks are aimed at fit, experienced mountain walkers, with steep ascents and exposed scrambles. The routes range from 7 to 61km and include a full-day ascent of Mount Vihren.