Circular route starting and ending in the BTT centre.A very difficult route, with wonderful landscapes and trails.You should be very fit, physically.Take the red route on the climb to Senhora da Graça, then head towards Covelo, Bobal, Pioledo, Varzigueto, Fervença, Ermelo and Fojo.Then continue towards the River Olo, Paradanca and Mondim de Basto where it rejoins the red trail.