Terrace Bay Township, Canada offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Terrace Bay Township is known for the Aguasabon Falls and Gorge, Slate Islands Provincial Park, and the Terrace Bay Lighthouse. The best time to travel to Terrace Bay Township, Canada, is during the summer months of June to August, when the average air temperature is around 15-20°C (59-68°F) and the water temperature in Lake Superior is approximately 10-15°C (50-59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!