Best lakes around Obertrum are found in the Salzburg Lake District, a region characterized by its scenic natural landscapes. The area is home to the Trumer Seen, which include Obertrumer See, Mattsee, and Grabensee. These lakes offer diverse features, from extensive water sports opportunities to protected natural environments. The region provides a variety of experiences for those seeking lakeside recreation and exploration.
Last updated: May 11, 2026
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The Rupertiweg on the Wallersee is a beautiful section of the eponymous Austrian long-distance hiking trail (No. 10), which stretches from the Bohemian Forest to the Karawanks. In the Wallersee area, this trail shows its particularly idyllic and gentle side.
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Extremely great view here!
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Simply beautiful. Bring your swimsuit to enjoy this panorama while swimming.
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Beautiful view over Lake Wallersee😍🫶🏼💞 Ride your bike🩷
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Fantastic view all the way to the Tennengebirge :-)
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In Seeham you have the opportunity to take a break and enjoy the lake in all its diversity, for example by bathing/swimming.
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A very nice cycle path
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The region around Obertrum am See, part of the Salzburg Lake District, features the three 'Trumer Seen': Obertrumer See, Mattsee, and Grabensee. Obertrumer See is the largest, offering extensive water sports. Mattsee is known for its excellent water quality and warmth, while Grabensee is a smaller, protected moorland lake, one of Austria's warmest.
Yes, the area offers numerous trails for both hiking and cycling. For cyclists, the path directly along Obertrumer Lake is very popular, and there's a cycle way connecting Mattsee with Obertrumer See, such as Between Mattsee and Lake Obertrum. Hikers can enjoy routes like the Grabensee circular trail or sections of the Via Nova pilgrimage route around Obertrumer See. You can find more detailed routes in the Hiking around Obertrum guide and the Cycling around Obertrum guide.
Obertrumer See is a popular spot for swimming, windsurfing, and sailing, with public lidos providing easy access. Mattsee also offers a wide range of water sports including swimming, sailing, stand-up paddleboarding (SUP), and boating. Grabensee, being a nature reserve, has restrictions on motorized water sports, making it ideal for peaceful swimming at its public lido.
Absolutely. Mattsee is particularly well-suited for families, offering a wide range of leisure activities both in and out of the water, including lidos and various sports. Obertrumer See also has public lidos and is great for swimming. Many highlights, such as Obertrumer Lake and Rupertiweg on Lake Wallersee, are marked as family-friendly.
Near Mattsee, you can explore the picturesque town center with its monastery and Mattsee Castle, which offers scenic views. The fahr(T)raum museum, showcasing the car collection of Ernst Piëch, is also located in Mattsee. While the lakes themselves are primarily natural attractions, these nearby sites add a cultural dimension to your visit.
The warmer months, typically from late spring to early autumn, are ideal for visiting the lakes, especially for swimming and water sports. Grabensee, being a moorland lake, can reach water temperatures up to 30 degrees Celsius in peak summer, making it one of the warmest lakes in Austria. The region also hosts events like the Trumer Triathlon on Obertrumer See.
Yes, there are several excellent viewpoints. For instance, View over Lake Wallersee towards the Watzmann offers a clear perspective of Lake Wallersee with mountains in the background. The area around Mattsee Castle also provides scenic views of the lake. Many cycling and hiking paths around the lakes offer continuous beautiful views.
While specific regulations for each lake can vary, generally, dogs are often permitted on trails and in designated areas around the lakes. However, access to public lidos or official swimming areas might be restricted for dogs. It's always best to check local signage or specific municipality rules for the lake you plan to visit.
Grabensee stands out as the smallest of the Trumer Lakes and is a protected moorland lake, part of a nature reserve. This status restricts motorized water sports, preserving its untouched environment. It's also one of the warmest lakes in Austria, with water temperatures potentially reaching 30 degrees Celsius in summer, offering a tranquil retreat for those seeking peace in nature.
Visitors frequently praise the beautiful scenery and the excellent opportunities for outdoor activities. Many enjoy the cycle paths directly along the shore, like the one at Obertrumer Lake, and the clear, warm waters for swimming. The peaceful atmosphere of less touristy spots like Obertrumer See and the natural beauty of the protected Grabensee are also highly appreciated.
Yes, there are routes that connect the lakes, offering a unique way to experience the district. For example, the highlight Between Mattsee and Lake Obertrum describes a cycle way that links Mattsee with Obertrumer See via a small canal. This allows for scenic rides between the two bodies of water. You can find more cycling options in the Cycling around Obertrum guide.
Yes, the towns and villages surrounding the lakes, such as Obertrum am See and Mattsee, offer various amenities including cafes, restaurants, and accommodation options. Public lidos often have facilities and refreshment stands. The region is well-equipped to cater to visitors' needs.


Still not found your perfect lake around Obertrum? Check out the guides of these regions to see even more beautiful places.