Ruby River Reservoir Fish Stocking
Montana · 1940–2026 on record
According to Montana fish & wildlife agency, Ruby River Reservoir was last stocked June 22, 2026 with Rainbow Trout. Ruby River Reservoir has 189 stocking records on file, spanning 1940–2026, with about 2,803,267 fish stocked over that period.
When Ruby River Reservoir is stocked
Ruby River Reservoir is typically stocked in spring, most often in April — 93 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Ruby River Reservoir, freshest activity first.
Elk Lake
8 mi3 species · 198 records
Last stocked May 2026
Twin Lake (Upper)
14 mi2 species · 24 records
Last stocked July 2025
Axolotl Lake
13 mi3 species · 30 records
Last stocked July 2022
Reservoir Lake
13 mi2 species · 9 records
Last stocked July 2022
Timberline Lake
9 mi2 species · 16 records
Last stocked July 2020
Vigilante Pond
11 mi2 species · 253 records
Last stocked July 2017
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| June 22, 2026 | Rainbow Trout | 52,428 | 3.8" | Montana fish & wildlife agency |
| June 24, 2025 | Rainbow Trout | 48,696 | 4.9" | Montana fish & wildlife agency |
| June 28, 2023 | Rainbow Trout | 75,276 | 3.91" | Montana fish & wildlife agency |
| May 18, 2022 | Rainbow Trout | 85,007 | 2.03" | Montana fish & wildlife agency |
| July 1, 2021 | Rainbow Trout | 50,039 | 4.2" | Montana fish & wildlife agency |
| July 1, 2020 | Rainbow Trout | 33,074 | 4.43" | Montana fish & wildlife agency |
| June 30, 2020 | Rainbow Trout | 34,612 | 4.46" | Montana fish & wildlife agency |
| July 22, 2019 | Rainbow Trout | 58,001 | 4.06" | Montana fish & wildlife agency |
Show 42 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 30, 2018 | Rainbow Trout | 23,861 | 4.14" | Montana fish & wildlife agency |
| July 23, 2018 | Rainbow Trout | 38,658 | 3.63" | Montana fish & wildlife agency |
| July 24, 2017 | Rainbow Trout | 32,201 | 3.98" | Montana fish & wildlife agency |
| June 19, 2017 | Rainbow Trout | 10,814 | 3.27" | Montana fish & wildlife agency |
| July 20, 2016 | Rainbow Trout | 36,741 | 3.48" | Montana fish & wildlife agency |
| July 20, 2016 | Rainbow Trout | 28,720 | 3.35" | Montana fish & wildlife agency |
| July 22, 2015 | Rainbow Trout | 37,167 | 4.1" | Montana fish & wildlife agency |
| July 20, 2015 | Rainbow Trout | 35,292 | 4.43" | Montana fish & wildlife agency |
| July 9, 2014 | Rainbow Trout | 38,441 | 4.18" | Montana fish & wildlife agency |
| July 7, 2014 | Rainbow Trout | 32,589 | 4.29" | Montana fish & wildlife agency |
| July 8, 2013 | Rainbow Trout | 51,350 | 4.18" | Montana fish & wildlife agency |
| July 8, 2013 | Rainbow Trout | 16,361 | 4.27" | Montana fish & wildlife agency |
| July 17, 2012 | Rainbow Trout | 30,360 | 4.03" | Montana fish & wildlife agency |
| July 16, 2012 | Rainbow Trout | 19,615 | 4.38" | Montana fish & wildlife agency |
| July 5, 2011 | Rainbow Trout | 28,864 | 4.11" | Montana fish & wildlife agency |
| July 5, 2011 | Rainbow Trout | 36,182 | 4.08" | Montana fish & wildlife agency |
| June 28, 2010 | Rainbow Trout | 50,758 | 4.04" | Montana fish & wildlife agency |
| July 1, 2008 | Rainbow Trout | 14,142 | 5.4" | Montana fish & wildlife agency |
| July 1, 2008 | Rainbow Trout | 800 | 3.4" | Montana fish & wildlife agency |
| June 30, 2008 | Rainbow Trout | 15,713 | 5.4" | Montana fish & wildlife agency |
| June 30, 2008 | Rainbow Trout | 15,967 | 5.4" | Montana fish & wildlife agency |
| June 30, 2008 | Rainbow Trout | 15,501 | 5.4" | Montana fish & wildlife agency |
| June 12, 2007 | Rainbow Trout | 23,709 | 4.78" | Montana fish & wildlife agency |
| June 11, 2007 | Rainbow Trout | 22,400 | 4.54" | Montana fish & wildlife agency |
| June 11, 2007 | Rainbow Trout | 20,025 | 4.61" | Montana fish & wildlife agency |
| June 27, 2006 | Rainbow Trout | 30,805 | 4.7" | Montana fish & wildlife agency |
| June 26, 2006 | Rainbow Trout | 29,336 | 4.7" | Montana fish & wildlife agency |
| July 11, 2005 | Rainbow Trout | 14,315 | 5.26" | Montana fish & wildlife agency |
| July 11, 2005 | Rainbow Trout | 17,164 | 5.26" | Montana fish & wildlife agency |
| July 8, 2005 | Rainbow Trout | 17,606 | 5.22" | Montana fish & wildlife agency |
| July 8, 2005 | Rainbow Trout | 17,448 | 5.22" | Montana fish & wildlife agency |
| June 17, 2004 | Rainbow Trout | 52,207 | 4.53" | Montana fish & wildlife agency |
| June 17, 2003 | Rainbow Trout | 32,051 | 4.2" | Montana fish & wildlife agency |
| June 17, 2003 | Rainbow Trout | 33,000 | 4" | Montana fish & wildlife agency |
| June 27, 2002 | Rainbow Trout | 25,000 | 5" | Montana fish & wildlife agency |
| June 27, 2002 | Rainbow Trout | 25,000 | 5" | Montana fish & wildlife agency |
| June 28, 2001 | Rainbow Trout | 50,000 | 5" | Montana fish & wildlife agency |
| July 11, 2000 | Rainbow Trout | 35,106 | 5" | Montana fish & wildlife agency |
| June 28, 1999 | Rainbow Trout | 49,507 | 4.1" | Montana fish & wildlife agency |
| June 29, 1998 | Rainbow Trout | 49,725 | 4" | Montana fish & wildlife agency |
| July 2, 1997 | Rainbow Trout | 27,448 | 4.4" | Montana fish & wildlife agency |
| July 2, 1997 | Rainbow Trout | 30,911 | 4.3" | Montana fish & wildlife agency |
Showing 50 of 189 stocking records.
Frequently asked
When was Ruby River Reservoir last stocked?
According to Montana fish & wildlife agency, Ruby River Reservoir was last stocked June 22, 2026 with Rainbow Trout.
What fish species are stocked in Ruby River Reservoir?
Ruby River Reservoir is stocked with Rainbow Trout and Cutthroat Trout.
What time of year is Ruby River Reservoir stocked?
Ruby River Reservoir is typically stocked in spring, most often in April.
How often is Ruby River Reservoir stocked?
Ruby River Reservoir has been stocked about 2 times a year — 189 recorded stockings between 1940 and 2026.
How many fish have been stocked in Ruby River Reservoir?
About 2,803,267 fish have been stocked in Ruby River Reservoir across 189 recorded events since 1940, per Montana fish & wildlife agency.
What size are the fish stocked in Ruby River Reservoir?
Fish stocked in Ruby River Reservoir average about 6.1 inches, based on the sizes the agency reported.