Fanad Peninsula

The Great Arch
Between Portsalon and Lighthouse
none
free
hard

there is a signpost for it.

itineraries
The Atlantic Drive

is signposted and takes you around the peninsula. However, it is easy to get lost as the region is full of interlacing crossroads and taking a wrong turn at an unsignposted intersection is almost inevitable. The best thing to do is enjoy the experience and find your own way around.