Cottonwood Cove, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Cottonwood Cove, Nevada, United States, is known for its scenic location on Lake Mohave, offering opportunities for boating, fishing, and water recreation. The best time to travel to Cottonwood Cove, United States, is in late spring or early fall when the average air temperature is around 75°F (24°C) and the water temperature is approximately 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!