Start with a quiet 45-minute walk along Margaree Harbour, where the shoreline opens toward the Gulf of St. Lawrence and the pace is intentionally unhurried. This is a good place for sea views, fishing-boat activity, and a quick weather check before heading farther along the coast—wind can make the exposed shoreline feel much cooler than inland. Continue to Margaree Harbour Lighthouse for about 30 minutes; the lighthouse and surrounding rocky shore make the best photographic stop, especially with morning light. There are limited amenities here, so bring water, sturdy shoes, and a light jacket; parking is informal and roadside, so pull fully off the pavement.
Drive roughly 20 minutes east to the Cheticamp Visitor Centre, allowing about 45 minutes to browse exhibits and gather current advice on wildlife sightings, coastal conditions, and nearby Cape Breton Highlands National Park attractions. Hours can vary by season, so check the Parks Canada listing or visitor-centre signage before setting out; admission is generally free. For lunch, settle into Le Gabriel Restaurant & Lounge, a welcoming local choice for Acadian and seafood dishes. Allow an hour and budget approximately C$25–45 per person before drinks and gratuity. In summer, arriving around noon is wise, as Cheticamp restaurants can fill quickly and service is meant to be enjoyed rather than rushed.
Finish at Gypsum Mine Lake, a short drive from Cheticamp, with 1½–2 hours for the trail and a relaxed stop at the vivid freshwater swimming hole. The path is short but uneven in places, and the former quarry can be hot and sun-exposed, so wear proper walking shoes and carry water; swimming is at your own risk, with no lifeguard. Bring a towel and avoid leaving valuables in the car. After the lake, keep the rest of the afternoon open rather than adding another formal stop—the nearby roads and small coastal communities are best enjoyed with occasional pull-offs and a little unplanned wandering.