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Marys Lake trout stocking

Larimer County, Colorado · lake · 8,040 ft elevation

Marys Lake was last stocked 121 months ago (Oct 11 to 17, 2016). We have 3 stockings on record since Mar 17, 2015. Most stockings come in March and September to October.

Last stocked
121 months ago
Oct 11 to 17, 2016
Next planned
Not announced
Last 12 months
0 stockings
Water temperature
52°F
Ideal for trout
  • Number 25 of 28 stocked waters in Larimer County by stocking days.
  • Stocked less often than most Colorado waters on our record.

River conditions

Nearest USGS gage: BIG THOMPSON BL MORAINE PARK NR ESTES PARK, CO (5 km away, on a different stream or lake).

Water temperature
52°F
Flow
12 cfs
about normal for the last six weeks
Gage height
4.12 ft

Ideal for trout. Prime range for trout (about 50 to 65°F): fish are feeding actively.

486072Aug 15Sep 27
Water temperature (daily high), last six weeks (°F), daily. Latest: 58 °F on Sep 27. The green band is the ideal range for trout.
91624Aug 15Sep 27
Streamflow, last six weeks (cfs), daily. Latest: 12 cfs on Sep 27.

Latest reading Sep 29, 2026, 3:20 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Marys Lake

  • Tonight
    45°F
    Rain Showers Likely
    72% rain · wind 2 mph
  • Tuesday
    56°F
    Chance Rain Showers
    42% rain · wind 1 to 6 mph
  • Tuesday Night
    44°F
    Chance Rain Showers
    52% rain · wind 1 to 5 mph
  • Wednesday
    56°F
    Rain Showers Likely
    56% rain · wind 3 to 9 mph
  • Wednesday Night
    41°F
    Chance Rain Showers
    52% rain · wind 3 to 8 mph
  • Thursday
    57°F
    Chance Rain Showers then Mostly Sunny
    36% rain · wind 3 to 7 mph

Forecast from the National Weather Service for this location, refreshed hourly.

When is Marys Lake stocked?

Most stockings come in March and September to October.

By month, all years

JanFebMar: 1 stockings1MarAprMayJunJulAugSep: 1 stockings1SepOct: 1 stockings1OctNovDec
Stockings of Marys Lake by month, all years on record. This month is shown in blue.

Year by year

JanFebMarAprMayJunJulAugSepOctNovDec
20161
201511

Stocking history

20161 stocking
DateSpeciesSince previous
Week of Oct 11Latest
Oct 11 to Oct 17
Trout
55 weeks
20152 stockings
DateSpeciesSince previous
Week of Sep 22
Sep 22 to Sep 28
Trout
27 weeks
Week of Mar 17
Mar 17 to Mar 23
Trout

From Colorado fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go. Seasons and limits: Colorado fishing regulations.

Where is Marys Lake?

Larimer County, Colorado. The marker is the agency's location for this water; streams are often stocked at several access points.

DirectionsLarger mapColorado fishing regulations

Stocked waters near Marys Lake

All stocked waters in Larimer CountyStocked this week in Colorado

Questions about Marys Lake

When was Marys Lake last stocked?
The latest reported stocking was Oct 11 to 17, 2016, according to Colorado agency reports.
How often is Marys Lake stocked?
Across all years on record, most stockings come in March and September to October.
Is Marys Lake stocked often?
Number 25 of 28 stocked waters in Larimer County by stocking days. Stocked less often than most Colorado waters on our record. We count each day the agency reported stocking it.
How warm is the water near Marys Lake?
The nearest USGS gage read 52°F on Sep 29. Prime range for trout (about 50 to 65°F): fish are feeding actively.

Stocking report from Colorado Parks and Wildlife, which lists the waters stocked with catchable trout (about 10 inches) in the week before each report. Locations from the Colorado Fishing Atlas.