Sable Island in the Atlantic off the coast of Nova Scotia has a thriving population of wild horses. The Sable Island horses are among the few wild horse populations that are entirely unmanaged: they are not subject to any kind of human interference.
Map of the Cabot Trail, Cape Breton Nova Scitia, Cape Breton Highlands National Park. For a scenic drive, take Route 19 along the Ceilidh Trail. This will take you through villages such as Judique and Mabou