Mount Lena, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Mount Lena, Maryland, United States, is known for its proximity to the Appalachian Trail and Greenbrier State Park. The best time to travel to Mount Lena, United States, is during the summer months of June to August, when the average air temperature is around 70°F (21°C) and 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!