reservoir

Neffs Reservoir — Thousand Lake Mtn

Wayne County · Southern region

Fairconditions
28°todayMostly Clear

Today’s report

Neffs Reservoir — Thousand Lake Mtn is a fair bet today. The DWR last stocked Arctic grayling (403 fish) on September 10. Tonight's forecast: mostly clear, 28°F.

Current conditions

Stocking

Last stocked Sep 10, 2026 — Arctic grayling (403 fish).

DateSpeciesQuantityAvg length
Sep 10, 2026Arctic grayling4031.83"
Jul 14, 2026brook trout2002.93"
Jun 24, 2025brook trout2012.97"
Jun 25, 2024brook trout1952.62"
Aug 29, 2023brook trout2003.75"
Jul 11, 2023splake (lake × brook trout hybrid)2932.44"

Best time to fish Neffs Reservoir — Thousand Lake Mtn

The DWR has stocked Neffs Reservoir — Thousand Lake Mtn 6 times over the last 2 seasons, and 83% of those plants landed in June through August — the freshest fish and the easiest bite usually follow within a week or two of a stocking.

Species

brook troutsplake (lake × brook trout hybrid)

Location

38.44730, -111.49440 · Wayne County · 39 mi from Richfield

Nearby waters (within ~25 mi):

Tidwell ReservoirSevier CountyFairU M CreekSevier CountyFairMill Meadow ReservoirSevier CountyFairForsyth ReservoirSevier CountyFairFloating Island — Thousand Lake MtnSevier CountyFairMeeks Lake — Thousand Lake MtnSevier CountyFairMorrell Pond — Thousand Lake MtnSevier CountyFairFremont RiverWayne CountyWarning

Guides & shops for this water

Quiet Fly Fisher · shop + guides

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

Tonight
28°F
Mostly Clear
Saturday
45°F
Sunny
Saturday Night
31°F
Mostly Cloudy
Sunday
41°F
Mostly Cloudy
Sunday Night
31°F
Mostly Cloudy
Monday
41°F
Mostly Sunny then Slight Chance Light Rain
20% precip
Monday Night
33°F
Slight Chance Light Rain then Partly Cloudy
16% precip
Tuesday
38°F
Chance Rain And Snow then Slight Chance T-storms
62% precip
Tuesday Night
33°F
Chance Rain And Snow
40% precip
Wednesday
38°F
Chance Rain And Snow then Showers And Thunderstorms Likely
61% precip