🇳🇴 Fishing in Tunnsjøen

One of Norway's deepest lakes — 460 m in the Trøndelag fjells

Tunnsjøen in Namsskogan (Trøndelag) covers around 100 km² and plunges 460 m — one of Norway's deepest lakes. Anglers target brown trout and arctic char in a big, largely untouched mountain landscape.

Find a fishing partner near Tunnsjøen

Match with other anglers nearby, share the boat, learn from each other and become better fishermen together — free to join.

Weather at Tunnsjøen

Loading forecast…

Best fishing times today

Day length: 10h 43m
Dawn04:44
Sunrise05:32
Sunset16:16
Dusk17:04

Bite windows today

  • Dawn04:14 – 06:32Excellent
  • Morning06:32 – 10:54Good
  • Midday10:54 – 13:16Calm
  • Afternoon13:16 – 15:16Good
  • Dusk15:16 – 17:34Excellent
  • Night17:34 – 04:14Good
Moon: 14% · waning↑ 00:21
Area
100 km²
Max depth
460 m
Elevation
359 m.o.h.
Region
Trøndelag

Geography & facts

The lake lies 359 m above sea level and is regulated for hydropower. The sacred island Tunnsjøguden rises from its middle.

How to fish

Deep summer char fishing, ice fishing in winter. Trout are usually taken by trolling near the inflows.

Fish species

Species data comes from GBIF and is refreshed by donors.Support this →

Gear & tips for brown trout

Rod
4- to 6-weight fly rod, 2.7 m
Sage X
Loop Q
Vision Tane
Orvis Helios 3
Reel
5/6-weight fly reel
Loop Evotec
Vision XO
Hardy Ultralite
Mainline
WF-5 floating line
Leader
9–12 ft tapered leader, 0.14–0.20 mm tippet
Hook
#16 to #8
Lures / bait
  • Dry flies (Adams, Klinkhammer, CDC Caddis, Royal Wulff)
  • Nymphs (Hare's Ear, Pheasant Tail, Copper John, Perdigon)
  • Streamers (Wooly Bugger, Zonker, Muddler Minnow)
Find fly fishing gear at Sportfish
Season
April–September for river trout, Sept–Nov for sea-run fish
Time of day
Dawn, dusk; overcast days fish well all day
Tip

Dries during a hatch, nymphs sub-surface, streamers for bigger fish. Read the current — trout hold behind rocks and along seams. Stay low and quiet on the bank.

Full guide

Fishing license

Licenses via Tunnsjøen Fiskarlag and Inatur.

Sponsor this lake

For $5/month you help keep species, boundaries and coordinates fresh for 35 000+ lakes. FishMap is independent and community-funded.

Become a supporter →

A business wanting to appear here? Advertise & partner →

More big Norway lakes