Donnelly, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Donnelly, Idaho, United States, is known for Tamarack Resort and its proximity to Lake Cascade. The best time to travel to Donnelly, United States, is during the summer months of June to August, when the average air temperature is around 70°F (21°C) and the water temperature in nearby lakes is approximately 65°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
