Marchtrenk, Austria offers 1 beach perfect for sunbathing, surfing, swimming, and more. Marchtrenk is not widely known for specific tourist attractions or proper nouns, as it is primarily a residential and industrial town in Oberosterreich, Austria. The best time to travel to Marchtrenk, Austria, is from June to August, with average air temperatures around 68°F (20°C) and water temperatures in nearby lakes around 66°F (19°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!