When was Molas Lake, Big last stocked?

The latest reported stocking was Aug 8 to 14, 2025, according to Colorado agency reports.

How often is Molas Lake, Big stocked?

Across all years on record, most stockings come in June to July.

Is Molas Lake, Big stocked often?

The most stocked water in San Juan County (46 stocking days on record). Stocked more often than 95% of Colorado waters on our record. We count each day the agency reported stocking it.

How warm is the water near Molas Lake, Big?

The nearest USGS gage read 45°F on Sep 28. Trout are active but slower; fishing picks up as the water warms through the day.

Molas Lake, Big trout stocking

San Juan County, Colorado · lake · 10,500 ft elevation

Molas Lake, Big was last stocked 14 months ago (Aug 8 to 14, 2025). We have 46 stockings on record since Jun 23, 2015. Most stockings come in June to July.

Last stocked

14 months ago

Aug 8 to 14, 2025

Next planned

Not announced

Last 12 months

0 stockings

Water temperature

45°F

Cool for trout

The most stocked water in San Juan County (46 stocking days on record).
Stocked more often than 95% of Colorado waters on our record.

River conditions

Nearest USGS gage: ANIMAS RIVER BELOW SILVERTON, CO (5 km away, on a different stream or lake).

Water temperature: 45°F
Flow: 391 cfs; much higher than usual for the last six weeks
Gage height: 3.38 ft

Cool for trout. Trout are active but slower; fishing picks up as the water warms through the day.

Water temperature (daily high), last six weeks (°F), daily. Latest: 51 °F on Sep 27. The green band is the ideal range for trout.

Streamflow, last six weeks (cfs), daily. Latest: 280 cfs on Sep 27.

Latest reading Sep 28, 2026, 9:00 PM UTC. USGS data are provisional. Gage page at USGS.

Weather at Molas Lake, Big

This Afternoon
44°F
Showers And Thunderstorms
96% rain · wind 5 mph
Tonight
36°F
Slight Chance T-storms
96% rain · wind 0 to 5 mph
Tuesday
48°F
Showers And Thunderstorms Likely
69% rain · wind 0 to 5 mph
Tuesday Night
36°F
Showers And Thunderstorms
87% rain · wind 5 to 10 mph
Wednesday
45°F
Rain Showers
94% rain · wind 0 to 5 mph
Wednesday Night
31°F
Chance Showers And Thunderstorms then Mostly Cloudy
45% rain · wind 5 to 15 mph

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

When is Molas Lake, Big stocked?

Most stockings come in June to July.

By month, all years

Stockings of Molas Lake, Big by month, all years on record. This month is shown in blue.

Year by year

	May	Jun	Jul	Aug	Sep
2025				1
2024		1	2
2023		1	2		1
2022	1		3	2
2021		2	1	1
2020		3	1
2019		2	2
2018	2	1	3	1

Stocking history

20251 stocking

Date	Species	Since previous
Week of Aug 8Latest Aug 8 to Aug 14	Trout	373 days

20243 stockings

Date	Species	Since previous
Week of Jul 31 Jul 31 to Aug 6	Trout	6 days
Week of Jul 25 Jul 25 to Jul 31	Trout	44 days
Week of Jun 11 Jun 11 to Jun 17	Trout	277 days

20234 stockings

Date	Species	Since previous
Week of Sep 8 Sep 8 to Sep 14	Trout	6 weeks
Week of Jul 28 Jul 28 to Aug 3	Trout	3 weeks
Week of Jul 7 Jul 7 to Jul 13	Trout	3 weeks
Week of Jun 16 Jun 16 to Jun 22	Trout	44 weeks

20226 stockings

Week of Aug 12 trout
Week of Aug 5 trout
Week of Jul 15 trout
Week of Jul 8 trout
Week of Jul 1 trout
Week of May 20 trout

20214 stockings

Week of Aug 5 trout
Week of Jul 9 trout
Week of Jun 24 trout
Week of Jun 4 trout

20204 stockings

Week of Jul 8 trout
Week of Jun 25 trout
Week of Jun 16 trout
Week of Jun 10 trout

20194 stockings

Week of Jul 30 trout
Week of Jul 18 trout
Week of Jun 25 trout
Week of Jun 12 trout

20187 stockings

Week of Aug 1 trout
Week of Jul 19 trout
Week of Jul 12 trout
Week of Jul 6 trout
Week of Jun 26 trout
Week of May 24 trout
Week of May 9 trout

20175 stockings

Week of Jul 28 trout
Week of Jul 14 trout
Week of Jul 7 trout
Week of Jun 30 trout
Week of Jun 9 trout

20165 stockings

Week of Aug 9 trout
Week of Jul 26 trout
Week of Jul 12 trout
Week of Jun 21 trout
Week of Jun 7 trout

20153 stockings

Week of Jul 28 trout
Week of Jul 14 trout
Week of Jun 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 Molas Lake, Big?

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

Directions Larger map Colorado fishing regulations

Stocked waters near Molas Lake, Big

Molas Lakelake · 1 mistocked Jun 9, 2015
Andrews Lakelake · 2 mistocked Jun 26, 2026
Mineral Creek, Southstream · 6 mistocked Jul 7, 2023
Trout Lakelake · 12 mistocked Jul 10, 2026
Alta Lake Lowerlake · 13 mistocked May 29, 2026
Telluride Kids Pondpond · 15 mistocked May 29, 2026
Haviland Lakelake · 16 mistocked Jun 12, 2026
Henderson Lakelake · 16 mistocked Jun 10, 2024

All stocked waters in San Juan County Stocked this week in Colorado

Questions about Molas Lake, Big

When was Molas Lake, Big last stocked?: The latest reported stocking was Aug 8 to 14, 2025, according to Colorado agency reports.
How often is Molas Lake, Big stocked?: Across all years on record, most stockings come in June to July.
Is Molas Lake, Big stocked often?: The most stocked water in San Juan County (46 stocking days on record). Stocked more often than 95% of Colorado waters on our record. We count each day the agency reported stocking it.
How warm is the water near Molas Lake, Big?: The nearest USGS gage read 45°F on Sep 28. Trout are active but slower; fishing picks up as the water warms through the day.

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.