Armuin is the heart of the Ranzi area above Pietra Ligure: number 364 on the Finale Outdoor Region map, designed for e-bikes, intermediate to difficult. It is a string of ups and downs along the ridge above the village.
After about a quarter of an hour climbing on singletrack, keeping right, you enter a lovely flowing section of turns with sea views.
As you descend it gets more technical. After a dirt road comes a final stretch on red earth, ending at the Ranzi festival ground. Before you set off, check on the Finale Outdoor Region website that it is open: trails close for maintenance, races or bad weather.