Best hard trails in Tanna

Demanding route of the "Saale-Orla-Hunderter". This route follows the challenging route of the "Saale-Orla-Hunderter", a classic 100-kilometre hiking marathon. This is an extreme endurance challenge. The route is a mixture of tarmac country roads, unpaved forest paths and dirt tracks and explores the picturesque, rolling hills of the Thuringian Slate Mountains and the Orla Valley. You can expect "hilly" terrain throughout without any technical sections. Success on this route depends solely...