Start at Wentworth Park around 8:30–9:00 a.m., when the waterfront is quiet and the light is best over Sydney Harbour. Allow about 45 minutes for the promenade, harbor views, and a photo beside the giant fiddle at the Joan Harriss Cruise Terminal—the world’s largest fiddle. From there, drive or take a taxi roughly 5 minutes north to Cossit House Museum in the North End. The museum usually operates seasonally, generally late morning through late afternoon, with admission often around CAD $5–10; check the day’s opening time before setting out, since heritage sites can keep shorter hours. Give yourself about an hour to see the house and hear about early colonial life in Sydney.
Walk or drive back toward downtown for the Cape Breton Centre for Craft & Design, typically open weekday business hours and free to browse. Spend 45 minutes looking through locally made pottery, jewelry, textiles, woodwork, and useful souvenirs rather than generic cruise-port gifts. It is close enough to Flavor 19 that you can continue on foot through downtown—roughly 5–10 minutes, depending on the exact storefront—and settle in for lunch. Plan on CAD $20–35 per person for Cape Breton-inspired comfort food and allow an hour; service can be relaxed, so this is a good point not to rush.
After lunch, drive west to Petersfield Provincial Park, usually about 15–20 minutes from downtown depending on traffic. The park’s woodland and shoreline trails are easy to enjoy at an unhurried pace, but wear proper walking shoes and bring water; allow 1½–2 hours. Parking and park access are generally inexpensive or free, though provincial-park facilities and staffed hours can vary. Continue about 10–15 minutes toward Blackrock Beach near Westmount for the final stop. This is a quieter, more natural finish than the main city waterfront: bring a layer for the wind, expect rocky sections, and avoid assuming the water is warm enough for swimming. Give yourself about an hour to sit by the shore and watch the sunset—on August 12, sunset is roughly 8:20 p.m.—before returning to Sydney. A car or taxi is the practical way to connect the west-side stops; local bus service is limited for a day built around several outlying locations.