Starting point: Santa Coloma de Farners Town Square
End point: Sau Reservoir Damn
Approximate distance of the trail: 56 km
Maximum gradient: 800 metres
Difficulty: medium
Type: linear
Signposting: white and red posts corresponding to the long course trails (GR)
The long trail GR 178 is divided into 4 stages:
Stage 1: Santa Coloma de Farners – Osor -28 km
Stage 2: Osor –Sau Reservoir Damn -28 km
Variation 1: Anglès – Collado de Roscall -7 km
Variation 2: Sant Hilari Sacalm – Collado de Serrallonga -14 km