The Cabot Trail loops around the northern tip of Cape Breton Island, and it earns its reputation immediately. Most riders take five to seven days to complete the circuit, and the elevation gain is relentless — somewhere north of 4,000 metres in total, with several long climbs pushing above 400 metres on a single ascent.
The road is fully paved and generally in decent condition, though frost heaving leaves some patchy sections each spring. You share the tarmac with cars and campervans throughout, so there is no separated bike path; the shoulder varies from generous to nonexistent depending on the section.
Direction matters more here than on most loops. Riding counter-clockwise — north along the Gulf side first and then descending into Ingonish on the Atlantic side — puts the steeper gradients in your favour on the most dramatic stretches through Cape Breton Highlands National Park.
Those descents through the Mackenzie and French mountains reward the suffering handsomely, with ocean cliffs dropping away below you and bald eagles occasionally riding thermals overhead. Celtic music drifts out of pubs in Cheticamp most evenings, which does wonders for tired legs.
Accommodation ranges from national park campgrounds to small inns and B&Bs in Baddeck, Cheticamp, and Ingonish. Book well ahead in summer — rooms fill fast. Bike hire is limited on the trail itself; Baddeck has a small outfitter, but serious hire options are thin, so plan to travel with your own machine if you can.
Water and food stops thin out considerably through the park interior, so carry more than you think you need.
Ride in late August or early September for settled weather, lighter tourist traffic, and autumn colour beginning to touch the highlands.