Mikolajskie lake – area: 5 sq. km, length: 5.8 km, width: 1.6 km, depth: 25.9 m. This lake fills a part of the lake trough running from Ryn to Ruciane-Nida. Its coast is usually high, and its western part is covered with forest (the Piska Forest).Talty lake and Rynskie lake – area: 18.4 sq. km, length: 20 km, width: 1.8 km, depth: 50.8 m.The Talcki canal – length: 1.6 km, connects Taltowisko lake with Talty lake.The Lelecki canal – 0.5 km long, connects Kotek Wielki lake with Taltowisko lake.The Miodunski canal – 1,9 km long, connects Szymon lake with Kotek Wielki lake.Szymon lake – area: 1.5 sq. km, length: 1.9 km, width: 1.4 km, depth: 2.9 m.Szymoneckie lake – area: 4.8 sq. km, length: 3 km. The lake constitutes a south-western bay of Jagodne lake and it is connected with Szymon lake by the Szymonski canal, 2.3 km long.Jagodne lake – area: 9.5 sq. km, length: 8.7 km, width:: 1.8 km, depth:: 37.4 m.The Kula canal – length: 0.1 km, it connects Boczne lake and Jagodne lake.Boczne lake – area: 1.8 sq. km, length: 3 km, width: 0.8 km, depth: 17 m. The lake constitutes a south-western bay of Niegocin lake.Niegocin lake – area: 26.4 sq. km, length: 10.8 km, width: 4.8 km, depth: 39.7 m. In the eastern part of the lake there is an island Grajewska Kepa (Grajewska Clump), called the “Love Island.”MAZURIAN SHIPPING COMPANYMAZURIAN SHIPPING COMPANY