Arctic Grayling in Idaho
IDFG region limits, recommended waters and 2026 record news for arctic grayling.
- 6 a daybag
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Arctic Grayling across Idaho, at a glance
Idaho prints a bag figure for arctic grayling in 7 of its seven region tables. In the IDFG Panhandle Region, the line reads "Trout limit is 6, all species combined; Bull Trout and Brook Trout are listed separately".
The Fishing Planner recommends it on 1 water with pages, starting with Horseshoe Lake. The newest of its 4 stocking rows is dated September 23, 2024. The Planner files it as Thymallus arcticus.
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| IDFG region | Line as printed |
|---|---|
| IDFG Panhandle Region | Trout limit is 6, all species combined; Bull Trout and Brook Trout are listed separately |
| IDFG Clearwater Region | In rivers and streams, trout limit is 2, all species combined; In lakes, reservoirs, ditches and canals, trout limit is 6, all species combined; Bull Trout and Brook Trout are listed separately |
| IDFG Southwest Region | Trout limit is 6, all species combined; Chinook Salmon and steelhead placed in ponds are counted in the trout bag limit; Bull Trout and Brook Trout are listed separately |
| IDFG Magic Valley Region | Trout limit is 6, all species combined; In rivers and streams, only 2 of the 6 trout may be Cutthroat Trout; Bull Trout and Brook Trout are listed separately |
| IDFG Southeast Region | Trout limit is 6, all species combined; In rivers and streams, only 2 of the 6 trout may be Cutthroat Trout; Brook Trout are listed separately |
| IDFG Upper Snake Region | Trout limit is 6, all species combined; Bull Trout and Brook Trout are listed separately |
| IDFG Salmon Region | Trout limit is 6, all species combined; Chinook Salmon and steelhead placed in ponds are counted in the trout bag limit; Bull Trout and Brook Trout are listed separately |
Region bag limits from Idaho Fishing Seasons and Rules, 2025-2027, as printed on IDFG Fishing Planner water pages (the brochure PDF on idfg.idaho.gov was unreachable during site maintenance), read November 7, 2026.
Where IDFG has stocked Arctic Grayling
| Water | Release as printed |
|---|---|
| Box Lake | Arctic Grayling, 107 fish, Fry (0-3 inches), September 23, 2024 |
| Wildhorse Creek | Arctic Grayling, 3,500 fish, Fingerling (3-6 inches), October 25, 1990 |
| Wildhorse Creek | Arctic Grayling, 1,768 fish, Fry (0-3 inches), October 31, 1989 |
| Wildhorse Creek | Arctic Grayling, 2,000 fish, Fry (0-3 inches), October 18, 1988 |
Stocking rows as printed on the IDFG Fishing Planner water pages (date, species, number and size as listed), read November 7, 2026.
Finding arctic grayling in Idaho
Impoundments and lakes for arctic grayling
- Horseshoe Lake36 acres
IDFG Fishing Planner recommended game fish on each water page, read November 7, 2026; largest lakes and best-served rivers first.
Same table group as arctic grayling
- Brown TroutSalmo trutta
- CutbowOncorhynchus clarkii x O. mykiss
- Cutthroat TroutOncorhynchus clarkii
- Lake TroutSalvelinus namaycush
- Rainbow TroutOncorhynchus mykiss
- Redband TroutOncorhynchus mykiss gairdneri
- Tiger TroutSalmo trutta x Salvelinus fontinalis
Granite basins, sage benches and riffles near Arctic Grayling, photographed
Photo: Tamanoeconomico, CC BY-SA 4.0
Photo: Oregon Department of Fish & Wildlife, CC BY-SA 2.0
Photo: Doug Kerr, CC BY-SA 2.0
Photo: Visitor7, CC BY-SA 3.0
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What Idaho anglers ask about arctic grayling
What does IDFG allow for arctic grayling per day?
It varies by region; the IDFG Panhandle Region reads "Trout limit is 6, all species combined; Bull Trout and Brook Trout are listed separately".
Any 2026 record news for Idaho arctic grayling?
No 2026 announcement covers it; check the IDFG record list.
Which Gem State water suits arctic grayling best?
1 Idaho waters, starting with Horseshoe Lake.
Are arctic grayling planted in Idaho?
Yes: 4 rows, last at Box Lake on September 23, 2024.
Which Idaho rule blocks mention arctic grayling?
No water page quotes a rule for it.
What is the federal status of arctic grayling?
Not federally listed.
Is a plain fishing license enough for arctic grayling?
Fishing here takes an Idaho fishing license; Idaho Code 36-416 sets the annual statutory fee at $28.75 for residents and $106.25 for nonresidents, and steelhead or salmon fishing takes its own permit.
Where do I weigh a record arctic grayling in Idaho?
Weight records need a certified scale (IDFG keeps them at regional offices); catch-and-release records go by total length.
Plan a arctic grayling trip in Idaho
Open a lake or river above for ramps and limits.