# Osensjøen og Slemma (Åmot og Trysil)

> Osen Fiskeforvaltning sells one joint licence for rivers and lakes in Åmot and Trysil.

Source: https://finnfisk.no/en/fiskeplass/osensjoen
Language: en
Alternate: https://finnfisk.no/fiskeplass/osensjoen (nb-NO)

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Eastern Norway · Lake · Åmot, Trysil

Osen Fiskeforvaltning sells one joint licence for rivers and lakes in Åmot and Trysil. The licence covers Slemma with Nordre and Søndre Slemsjøen, Nordre Osa, Ena and Tverrena, Abbortjennet, Aursjøen, Baksjøen, Burusjøen, Nordre and Søndre Ulvsjøen, Munksjøen, Ulvsjøen Vest and Osensjøen. The waters hold brown trout, Arctic char, perch, burbot, pike, whitefish and grayling.

[Buy a fishing licence](https://www.inatur.no/fiske/50fec26ae4b0bfb3e46a9d1e) [Directions](https://www.google.com/maps/dir/?api=1&destination=61.2656,11.7913)

- **Species**: Brown trout, grayling, arctic char, whitefish, perch, pike. + 1 more recorded
- **Season**: The listing gives no general season.
- **Fishing licence**: [Osen Fiskeforvaltning (inatur.no)](https://www.inatur.no/fiske/50fec26ae4b0bfb3e46a9d1e)
- **The water**: Lake, stained water
- **Municipalities**: [Fishing in Åmot](https://finnfisk.no/en/fiske/amot) , [Fishing in Trysil](https://finnfisk.no/en/fiske/trysil). Eastern Norway

## Gear and lures

- Spinning

### Lures and trolling in the large lakes

Spoons and plugs from the shore, or trolling from a boat in Osensjøen and the Ulvsjøen lakes. Use a wire leader where there are pike.

- Fly

### Grayling and brown trout in the rivers

Class 4-6 in Slemma, Nordre Osa and Ena. Remember that brown trout fishing in rivers and streams is closed 15 Sep to 31 Oct.

- Bait

### Ice fishing

Jigging spoon and worm through the ice. Only 1 rod in Aursjøen and Baksjøen, 3 rods in the other lakes.

### Lures and flies that work here

- **Sølvblink 10–15 g** spoon
- **Wobbler med stålfortom** plug · For pike
- **Liten pilk** jigging spoon · For ice fishing

## The fish here

[Brown trout](https://finnfisk.no/en/orretfiske)

Active at first light and dusk. Lures and flies. Fish along edges, inlets and rocks.

[Grayling](https://finnfisk.no/en/harrfiske)

Loves nymphs and small dry flies. A discreet presentation in clear water. Common in Lågen.

[Arctic char](https://finnfisk.no/en/royefiske)

Often in deeper water in mountain lakes. Small spoons in red or natural colours. Best morning and evening.

[Whitefish](https://finnfisk.no/en/sikfiske)

Hard to catch on lures, usually taken on net or worm. Rarely a sport target, but present in many waters.

[Perch](https://finnfisk.no/en/abborfiske)

A shoaling fish. Small jigs, worms and spinners. Coloured water can take louder colours.

[Pike](https://finnfisk.no/en/gjeddefiske)

Big, visible baits. A wire trace is a must. Shallow water early and late in the season.

### Other fish in the water

- Burbot

Recorded by fish surveys in or next to this water (Artskart: NINA and Vannmiljø). Not all are sport fish; several are forage or introduced species.

## Area

The area is approximate. Centre: 61.2656, 11.7913

## Licence and rules

Advisory

- The listing gives no general season.
- All fishing for brown trout in rivers and streams is banned 15 Sep to 31 Oct.
- Ice fishing is allowed in all lakes and rivers.
- Everyone over 16 must buy a licence.
- Permitted gear is rod, trolling and ice-fishing gear, and the otter board is also allowed in Osensjøen, Nordre and Søndre Ulvsjøen and Nordre and Søndre Slemsjøen.
- Only gear designed to be swallowed by the fish is allowed.
- The minimum size for brown trout and grayling is 30 cm in Aursjøen and Baksjøen, and the other waters have no minimum size.
- For ice fishing, 1 rod per angler applies in Aursjøen and Baksjøen and 3 rods in the other waters, with an exception for burbot fishing in Osensjøen.
- Fishing is not allowed in the outlet stream from Ulvsjøen vest, the stream between Aursjøen and Baksjøen and the outlet stream from Baksjøen.
- The listing states no catch limit.
- Verify with Osen Fiskeforvaltning.

[Rules change. Always check with Osen Fiskeforvaltning (inatur.no) before you fish.](https://www.inatur.no/fiske/50fec26ae4b0bfb3e46a9d1e)

## Conditions today

In a browser, this block shows today’s weather at Osensjøen og Slemma (Åmot og Trysil): temperature, wind, rain, sunrise and sunset, the best times at first light and dusk, and the moon phase. The weather comes from Open-Meteo.

## Colour guide for Osensjøen og Slemma (Åmot og Trysil)

Tuned to the water clarity here (stained water) and the sport fish in it: brown trout, grayling, arctic char, whitefish, perch and pike. Pick time and light and species.

Time of day

Light

Species

Wind

Water temperature

Silver Best

Reflects sunlight and imitates baitfish, strongest in clear, sunlit water.

Try: Mepps Aglia silver, Blue Fox silver

Gold Best

A warm glow that shows up well in overcast weather and stained water.

Try: Mepps Aglia gold, Gold spoon

Silver/blue

A natural baitfish imitation in clear water and good light.

Try: Blue Fox blue/silver

Copper

Muted contrast with good visibility in low light and coloured water.

Try: Copper spinner, Copper spoon