Olsen Pond Fish Stocking
Montana · 1946–2026 on record
According to Montana fish & wildlife agency, Olsen Pond was last stocked June 4, 2026 with Rainbow Trout. Olsen Pond has 47 stocking records on file, spanning 1946–2026, with about 46,528 fish stocked over that period.
When Olsen Pond is stocked
Olsen Pond is typically stocked in spring, most often in May — 19 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Olsen Pond, freshest activity first.
Shallow Reservoir
14 mi2 species · 24 records
Last stocked September 2025
Anita Reservoir
9 mi7 species · 54 records
Last stocked August 2025
Kinkelaar Pond
14 mi1 species · 11 records
Last stocked July 2025
Snag Retention Reservoir
14 mi1 species · 6 records
Last stocked May 2025
Plutz Reservoir
15 mi2 species · 23 records
Last stocked May 2022
Peterson Pond
11 mi1 species · 32 records
Last stocked June 2012
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| June 4, 2026 | Rainbow Trout | 496 | 4.73" | Montana fish & wildlife agency |
| June 6, 2024 | Rainbow Trout | 508 | 4.77" | Montana fish & wildlife agency |
| June 2, 2022 | Rainbow Trout | 503 | 4.26" | Montana fish & wildlife agency |
| May 6, 2020 | Rainbow Trout | 531 | 3.73" | Montana fish & wildlife agency |
| May 17, 2018 | Rainbow Trout | 501 | 4.2" | Montana fish & wildlife agency |
| May 10, 2017 | Rainbow Trout | 500 | 4.09" | Montana fish & wildlife agency |
| April 22, 2016 | Rainbow Trout | 506 | 4.48" | Montana fish & wildlife agency |
| April 30, 2015 | Rainbow Trout | 502 | 4.97" | Montana fish & wildlife agency |
Show 39 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 23, 2014 | Rainbow Trout | 506 | 4.01" | Montana fish & wildlife agency |
| September 17, 2013 | Rainbow Trout | 1,016 | 7.58" | Montana fish & wildlife agency |
| May 21, 2012 | Rainbow Trout | 1,045 | 4.18" | Montana fish & wildlife agency |
| June 21, 2011 | Rainbow Trout | 1,007 | 4.74" | Montana fish & wildlife agency |
| June 8, 2010 | Rainbow Trout | 1,000 | 4.24" | Montana fish & wildlife agency |
| May 27, 2009 | Rainbow Trout | 1,007 | 4" | Montana fish & wildlife agency |
| May 9, 2008 | Rainbow Trout | 998 | 3.91" | Montana fish & wildlife agency |
| June 4, 2007 | Rainbow Trout | 1,001 | 4.02" | Montana fish & wildlife agency |
| June 6, 2006 | Rainbow Trout | 1,050 | 4.15" | Montana fish & wildlife agency |
| May 24, 2005 | Rainbow Trout | 978 | 3.52" | Montana fish & wildlife agency |
| June 16, 2004 | Rainbow Trout | 984 | 4.55" | Montana fish & wildlife agency |
| May 28, 2003 | Rainbow Trout | 994 | 3.69" | Montana fish & wildlife agency |
| March 26, 2003 | Rainbow Trout | 2,000 | 2.1" | Montana fish & wildlife agency |
| June 6, 2002 | Rainbow Trout | 998 | 4.2" | Montana fish & wildlife agency |
| May 22, 2001 | Rainbow Trout | 996 | 3.8" | Montana fish & wildlife agency |
| June 6, 2000 | Rainbow Trout | 1,002 | 4" | Montana fish & wildlife agency |
| May 27, 1999 | Rainbow Trout | 1,021 | 4" | Montana fish & wildlife agency |
| April 19, 1999 | Rainbow Trout | 2,000 | 2.7" | Montana fish & wildlife agency |
| June 4, 1998 | Rainbow Trout | 1,026 | 4" | Montana fish & wildlife agency |
| June 3, 1997 | Rainbow Trout | 1,050 | 4.1" | Montana fish & wildlife agency |
| May 21, 1996 | Rainbow Trout | 1,056 | 5.1" | Montana fish & wildlife agency |
| May 3, 1995 | Rainbow Trout | 1,000 | 3.9" | Montana fish & wildlife agency |
| May 9, 1994 | Rainbow Trout | 1,005 | 4.9" | Montana fish & wildlife agency |
| May 3, 1993 | Rainbow Trout | 1,007 | 4.7" | Montana fish & wildlife agency |
| May 14, 1992 | Rainbow Trout | 1,000 | 3.6" | Montana fish & wildlife agency |
| May 7, 1991 | Rainbow Trout | 1,000 | 4.5" | Montana fish & wildlife agency |
| May 10, 1990 | Rainbow Trout | 1,000 | 4.8" | Montana fish & wildlife agency |
| April 19, 1989 | Rainbow Trout | 979 | 4.2" | Montana fish & wildlife agency |
| May 4, 1988 | Rainbow Trout | 1,012 | 4.6" | Montana fish & wildlife agency |
| June 20, 1986 | Rainbow Trout | 1,046 | 5" | Montana fish & wildlife agency |
| April 17, 1985 | Rainbow Trout | 2,013 | 5" | Montana fish & wildlife agency |
| April 20, 1984 | Rainbow Trout | 2,001 | 7" | Montana fish & wildlife agency |
| June 1, 1983 | Rainbow Trout | 2,523 | 4" | Montana fish & wildlife agency |
| August 3, 1976 | Largemouth Bass | 1,500 | 2" | Montana fish & wildlife agency |
| August 12, 1969 | Largemouth Bass | 200 | 1" | Montana fish & wildlife agency |
| August 9, 1969 | Largemouth Bass | 300 | 1" | Montana fish & wildlife agency |
| October 24, 1946 | Crappie | 400 | 1" | Montana fish & wildlife agency |
| October 24, 1946 | Largemouth Bass | 160 | 3" | Montana fish & wildlife agency |
| September 12, 1946 | Bluegill | 1,600 | 1" | Montana fish & wildlife agency |
Frequently asked
When was Olsen Pond last stocked?
According to Montana fish & wildlife agency, Olsen Pond was last stocked June 4, 2026 with Rainbow Trout.
What fish species are stocked in Olsen Pond?
Olsen Pond is stocked with Rainbow Trout, Largemouth Bass, Crappie, and Bluegill.
What time of year is Olsen Pond stocked?
Olsen Pond is typically stocked in spring, most often in May.
How often is Olsen Pond stocked?
Olsen Pond is stocked intermittently — 47 recorded stockings between 1946 and 2026.
How many fish have been stocked in Olsen Pond?
About 46,528 fish have been stocked in Olsen Pond across 47 recorded events since 1946, per Montana fish & wildlife agency.
What size are the fish stocked in Olsen Pond?
Fish stocked in Olsen Pond average about 4.0 inches, based on the sizes the agency reported.