Lake Ariel, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Lake Ariel is known for Lake Wallenpaupack, Claws 'N' Paws Wild Animal Park, and the Lacawac Sanctuary. The best time to travel to Lake Ariel, United States, is during the summer months of June to August, when the average air temperature is around 70-80°F and the water temperature is approximately 70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!