SECTIONS AND WATER LEVEL GAUGES Göta älv/Trollhätte kanal is divided into sections. Each section has a number of water level gauges. The table below shows the sections and the gauge locations. SECTION WATER LEVEL GAUGE LOCATION Göteborg-Lilla Edet (0) Götaälvbron Jordfallsbron Lilla Edet, Lock 6 Bottom Gate Lilla Edet-Trollhättan (+7) Lilla Edet, Lock 6 Top Gate Trollhättan, Lock 5 Bottom Gate Höljan (+30,5) Trollhättan, Lock 3 Top Gate Trollhättan-Brinkebergskulle Trollhättan, Lock 2 Top Gate (+39,5) Trollhättan, Järnvägsbron Brinkebergskulle, Lock 1 Bottom Gate Holmens berth, Vargön Brinkebergskulle-Vänern Brinkebergskulle, Lock 1 Top Gate (+44,1) Dalbobron, Vänersborg Levels in meters above Baltic Sea Chart Datum 2000 within brackets. For detailed information, please contact the Canal Centre tel +46 (0) 771 630 695.