Hidden Lake Fish Stocking
Montana · 1930–2025 on record
According to Montana fish & wildlife agency, Hidden Lake was last stocked June 5, 2025 with Cutthroat Trout. Hidden Lake has 103 stocking records on file, spanning 1930–2025, with about 341,726 fish stocked over that period.
When Hidden Lake is stocked
Hidden Lake is typically stocked in summer, most often in June — 43 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Hidden Lake, freshest activity first.
Penny Lake
3 mi2 species · 8 records
Last stocked October 2025
Coopers Lake
3 mi2 species · 104 records
Last stocked October 2025
Maddie Lake
7 mi2 species · 5 records
Last stocked June 2025
Kleinschmidt Creek
10 mi1 species · 1 records
Last stocked May 1990
Unnamed Lake (powell Co)
3 mi1 species · 2 records
Last stocked June 1984
Tupper Lake
7 mi2 species · 9 records
Last stocked July 1966
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| June 5, 2025 | Cutthroat Trout | 800 | 4.57" | Montana fish & wildlife agency |
| June 12, 2024 | Cutthroat Trout | 636 | 3.78" | Montana fish & wildlife agency |
| June 7, 2023 | Cutthroat Trout | 1,003 | 5.46" | Montana fish & wildlife agency |
| June 7, 2023 | Cutthroat Trout | 500 | 8.41" | Montana fish & wildlife agency |
| June 23, 2022 | Cutthroat Trout | 1,000 | 4.97" | Montana fish & wildlife agency |
| June 2, 2021 | Cutthroat Trout | 500 | 9.63" | Montana fish & wildlife agency |
| June 2, 2021 | Cutthroat Trout | 1,000 | 5.68" | Montana fish & wildlife agency |
| July 30, 2019 | Cutthroat Trout | 1,000 | 2.7" | Montana fish & wildlife agency |
Show 42 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| June 20, 2019 | Cutthroat Trout | 600 | 5.02" | Montana fish & wildlife agency |
| October 23, 2018 | Cutthroat Trout | 800 | 6.7" | Montana fish & wildlife agency |
| July 24, 2018 | Cutthroat Trout | 999 | 1.75" | Montana fish & wildlife agency |
| June 24, 2017 | Cutthroat Trout | 760 | 5.32" | Montana fish & wildlife agency |
| June 16, 2016 | Cutthroat Trout | 500 | 5.44" | Montana fish & wildlife agency |
| June 16, 2016 | Cutthroat Trout | 500 | 5.29" | Montana fish & wildlife agency |
| June 4, 2015 | Cutthroat Trout | 500 | 5.1" | Montana fish & wildlife agency |
| June 4, 2015 | Cutthroat Trout | 500 | 4.58" | Montana fish & wildlife agency |
| July 30, 2014 | Cutthroat Trout | 1,000 | 1.64" | Montana fish & wildlife agency |
| June 5, 2014 | Cutthroat Trout | 500 | 4.99" | Montana fish & wildlife agency |
| June 5, 2014 | Cutthroat Trout | 500 | 5.07" | Montana fish & wildlife agency |
| June 26, 2012 | Cutthroat Trout | 500 | 4" | Montana fish & wildlife agency |
| June 26, 2012 | Cutthroat Trout | 500 | 4.7" | Montana fish & wildlife agency |
| August 2, 2011 | Cutthroat Trout | 500 | 6" | Montana fish & wildlife agency |
| July 30, 2011 | Cutthroat Trout | 437 | 3.8" | Montana fish & wildlife agency |
| August 16, 2010 | Cutthroat Trout | 1,000 | 2" | Montana fish & wildlife agency |
| July 21, 2010 | Cutthroat Trout | 1,000 | 5.93" | Montana fish & wildlife agency |
| July 16, 2009 | Cutthroat Trout | 1,000 | 6" | Montana fish & wildlife agency |
| June 17, 2008 | Cutthroat Trout | 1,000 | 5.37" | Montana fish & wildlife agency |
| May 20, 2008 | Rainbow Trout | 8,457 | 6.2" | Montana fish & wildlife agency |
| July 18, 2007 | Cutthroat Trout | 1,000 | 5.85" | Montana fish & wildlife agency |
| May 9, 2007 | Rainbow Trout | 10,577 | 6" | Montana fish & wildlife agency |
| June 21, 2006 | Cutthroat Trout | 900 | 5.67" | Montana fish & wildlife agency |
| May 8, 2006 | Rainbow Trout | 10,326 | 5.59" | Montana fish & wildlife agency |
| July 7, 2005 | Cutthroat Trout | 1,100 | 5.51" | Montana fish & wildlife agency |
| June 20, 2004 | Cutthroat Trout | 1,000 | 5.88" | Montana fish & wildlife agency |
| June 23, 2003 | Cutthroat Trout | 1,000 | 5.4" | Montana fish & wildlife agency |
| August 14, 2002 | Cutthroat Trout | 1,000 | 2.5" | Montana fish & wildlife agency |
| June 17, 2002 | Cutthroat Trout | 1,000 | 5.3" | Montana fish & wildlife agency |
| June 26, 2001 | Cutthroat Trout | 1,000 | 4.6" | Montana fish & wildlife agency |
| June 1, 2000 | Cutthroat Trout | 1,000 | 3.7" | Montana fish & wildlife agency |
| June 15, 1999 | Cutthroat Trout | 1,000 | 3.2" | Montana fish & wildlife agency |
| August 12, 1998 | Cutthroat Trout | 1,000 | 1.8" | Montana fish & wildlife agency |
| June 9, 1998 | Cutthroat Trout | 941 | 3.8" | Montana fish & wildlife agency |
| June 25, 1997 | Cutthroat Trout | 1,018 | 3" | Montana fish & wildlife agency |
| July 4, 1996 | Cutthroat Trout | 1,000 | 4" | Montana fish & wildlife agency |
| August 10, 1995 | Cutthroat Trout | 3,000 | 1.2" | Montana fish & wildlife agency |
| June 26, 1995 | Cutthroat Trout | 1,020 | 4.1" | Montana fish & wildlife agency |
| August 10, 1994 | Cutthroat Trout | 1,000 | 2.5" | Montana fish & wildlife agency |
| June 16, 1994 | Cutthroat Trout | 1,000 | 3.1" | Montana fish & wildlife agency |
| June 25, 1993 | Cutthroat Trout | 1,000 | 3.1" | Montana fish & wildlife agency |
| June 5, 1992 | Cutthroat Trout | 1,136 | 3.5" | Montana fish & wildlife agency |
Showing 50 of 103 stocking records.
Frequently asked
When was Hidden Lake last stocked?
According to Montana fish & wildlife agency, Hidden Lake was last stocked June 5, 2025 with Cutthroat Trout.
What fish species are stocked in Hidden Lake?
Hidden Lake is stocked with Cutthroat Trout, Rainbow Trout, Brook Trout, and Arctic Grayling.
What time of year is Hidden Lake stocked?
Hidden Lake is typically stocked in summer, most often in June.
How often is Hidden Lake stocked?
Hidden Lake is stocked intermittently — 103 recorded stockings between 1930 and 2025.
How many fish have been stocked in Hidden Lake?
About 341,726 fish have been stocked in Hidden Lake across 103 recorded events since 1930, per Montana fish & wildlife agency.
What size are the fish stocked in Hidden Lake?
Fish stocked in Hidden Lake average about 4.3 inches, based on the sizes the agency reported.