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Lake Isesjø is tributary to the Glomma water system, emptying into the Nipa River at Hafslundsøy in Sarpsborg. A medium large lake, it is surrounded by forest and open landscapes in an interesting area east of Sarpsborg. Most of the area around the lake is forested, but there are large sections of cultivated land facing the lake in the northern and southern parts.


Lake Isesjø is located 30 metres above the sea and has an average depth of around 9.5 m with 22 m the deepest point. The lake sports several coves, points and underwater reefs – all excellent fishing sites for most species.

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About this activity

Type of fishing
Enkelt fiske Större utmaning
Area, hectares
620 ha / 1531 acres
About the fishing
The most common fish species are pike, perch, pikeperch, ruffe, roach and bream. You can also find eel, smelt and brown trout. The most interesting game fish of these is clearly pikeperch and the large pike swimming in these waters. There’s a lot of pikeperch but the average size is rather low. However, now and then individuals over 3 kg are caught. Pike over 1 m are rather common.
All year, though with variations depending on species. You will get more detailed information about seasonal differences when you have booked.
Nice catches
Pike weighing as much as 15 kg have been caught here, along with pikeperch over 6 kg. Perch around I kg are rather common.
Fishing regulation
Live bait fish is not allowed and you can only use handheld fishing tools. Minimum allowed catch size for several species – trout at 25 cm and pikeperch at 42 cm. Maximum motor size is 5.5 hp.
Fishing permit
Fishing licence has not been established for Lake Isesjø.
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