Glans FVO looks after the fishing in Glan, a lake in northeastern Östergötland. It is located northeast of Roxen and west of Norrköping and is drained by Motala ström. Motala ström is also the largest tributary, the second largest being Finspångsån. Glan is 22 meters above sea level, has an area of 79 km² and has a maximum depth of 23 m. It is also known for blowing up very quickly. The lake is the main water source for Norrköping.