15 km north of Salzburg in the Flachgau at the southern end of the Obertrumer See. The lake, together with Mattsee, Wallersee and Grabensee, forms the...

(377 ft) 315 km2 (122 sq mi) in Austria: 240 km2 (93 sq mi) 2 m (6.6 ft) Obertrumer See Salzburg 503 m (1,650 ft) 4.9 km2 (1.9 sq mi) 36 m (118 ft) Offensee...

alpine foothills. Wallersee Trumer Seen, consisting of Obertrumer See Mattsee (a.k.a. „Niedertrumer See“) and Grabensee Egelseen (3) Berndorf bei Salzburg...