South Londonderry Township, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. South Londonderry Township, Pennsylvania, United States, is known for the Mount Gretna area, which features the Mount Gretna Lake & Beach and the Mount Gretna Playhouse. The best time to travel to South Londonderry Township, United States, is in late spring (May to early June) when the average air temperature is around 65-75°F, and water temperatures in nearby lakes and rivers are typically around 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!
