Biking in Transylvania – Viscri, Buneşti, Meşendorf The first part of the Transylvania Bike Trails Network (TBTN) is managed by the ADEPT Foundation. It  has been recently inaugurated allowing amazing experiences during a Biking in Transylvania tour. The villages of Viscri, Buneşti and Meşendorf, plus Cristan, are the first to be joined by a series of routes that currently amount