Inland Water Chart Series T, Oulujärvi (2011)

The Finnish Transport Agency's lake area nautical chart series are intended for all types of boating. In addition to the normal map pages, the chart series contain a large number of special charts that facilitate navigation in certain difficult-to-navigate areas. The chart series are spiral-bound atlases, and are packed in a plastic pocket. The coordinate system of the atlas is EUREF - FIN (WGS84). The inland water nautical chart series are divided regionally as follows:

• J Vesijärvi–Päijänne 1:40,000
• K Keitele and Keitele's canal 1:40,000
• L Lappeenranta–Savonlinna 1:40,000
• M Savonlinna–Kuopio 1:40,000
• N Tampere–Currents 1:30,000
• O Tampere–Hämeenlinna 1:30,000
• P Valkeakoski–Längelmäki–Hauho 1:30,000
• R Pielisjoki 1:20,000
• S Saimaa Canal 1:10,000
• T Oulujärvi 1:40 000
• V Savonlinna–Joensuu 1:40,000