Hollern Twielenfleth, Germany offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Hollern Twielenfleth, Lower Saxony, Germany, is known for its picturesque Altes Land region, famous for its apple orchards and traditional half-timbered houses. The best time to travel to Hollern-Twielenfleth, Germany, is from June to August, when the average air temperature is around 20°C (68°F) and the Elbe River water temperature is approximately 18°C (64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!