lake
Grass Lake — Thousand Lake Mtn
Fairconditions▲ was Tough yesterday
25°todayPartly Cloudy
Today’s report
Grass Lake — Thousand Lake Mtn is a fair bet today. The DWR last stocked brook trout (110 fish) on July 29, 2025. Overnight's forecast: partly cloudy, 25°F, 1% chance of precip.
Current conditions
Stocking
Last stocked Jul 29, 2025 — brook trout (110 fish).
| Date | Species | Quantity | Avg length |
|---|---|---|---|
| Jul 29, 2025 | brook trout | 110 | 3.57" |
| Jul 22, 2024 | brook trout | 109 | 2.84" |
| Jul 25, 2023 | brook trout | 103 | 2.9" |
| Jul 26, 2022 | brook trout | 101 | 3.18" |
| Aug 3, 2021 | brook trout | 108 | 3.03" |
Best time to fish Grass Lake — Thousand Lake Mtn
The DWR has stocked Grass Lake — Thousand Lake Mtn 5 times over the last 4 seasons, and 100% of those plants landed in July, August — the freshest fish and the easiest bite usually follow within a week or two of a stocking.
Species
Location
Nearby waters (within ~25 mi):
Cook Lake — Boulder MtnWayne CountyFairSolitaire Lake — Boulder Mtn North SlopeWayne CountyToughLost Lake (Government) — Boulder Mtn North SlopeWayne CountyFairPine Creek Reservoir — Boulder Top NorthWayne CountyFairRaft Lake — Boulder Top NorthWayne CountyToughRound Lake — Boulder Mtn North SlopeWayne CountyFairRound Lake — Thousand Lake MtnWayne CountyFairMiller Lake — Boulder Top NorthWayne CountyFair
Guides & shops for this water
From our independent directory — no booking relationship.
Regulations
No water-specific rules listed for this water in the current Utah Fishing Guidebook — statewide general rules and daily limits apply (trout limit 4, combined). Verify in the current guidebook before you fish.
This week’s weather
Overnight
25°F
Partly Cloudy
Thursday
33°F
Mostly Sunny
Thursday Night
26°F
Mostly Clear
Friday
39°F
Sunny
Friday Night
25°F
Mostly Clear
Saturday
42°F
Sunny
Saturday Night
30°F
Partly Cloudy
Sunday
41°F
Mostly Sunny
Sunday Night
30°F
Mostly Clear
Monday
41°F
Sunny