Bear River, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Bear River, Wyoming, United States, is known for the Bear River State Park, which offers scenic views and opportunities to see bison and elk. The best time to visit Bear River, 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 60-70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!