Rainbow Trout Stocked · 712 plants · last September 8, 2026 Best: dawn, dusk Last stocked September 8, 2026 · avg 9.8 in · 712 plants
Best: dawn, dusk
Rainbow Trout species guideHagerman WMA Oster Lake #2 fishing has Rainbow Trout, Common Carp, and Steelhead on the stocking report. Also recorded: Bluegill and Largemouth Bass. It is stocked about 12 times a year since 1968, most often in March and May. Species guides list dawn and dusk for Rainbow Trout, Common Carp, and Largemouth Bass and dawn, day, and dusk for Bluegill.
Rainbow Trout Stocked · 712 plants · last September 8, 2026 Best: dawn, dusk Last stocked September 8, 2026 · avg 9.8 in · 712 plants
Best: dawn, dusk
Rainbow Trout species guide
Common Carp Stocked · 1 plant · last July 7, 2014 Best: dawn, dusk
Steelhead Stocked · 1 plant · last February 23, 2015 Last stocked February 23, 2015 · 1 plant
Steelhead species guide
Bluegill Confirmed present Best: dawn, day, dusk Best: dawn, day, dusk
Bluegill species guide
Largemouth Bass Confirmed present Best: dawn, dusk Best: dawn, dusk
Largemouth Bass species guideHagerman WMA Oster Lake #1 (0.2 mi), Hagerman WMA Riley Creek Pond (0.7 mi), and Niagara Springs Wood Duck Pond (10.8 mi) were stocked more recently. Hagerman WMA Oster Lake #1 is also stocked with Rainbow Trout, Hagerman WMA Riley Creek Pond is also stocked with Rainbow Trout and Steelhead, and Niagara Springs Wood Duck Pond is also stocked with Rainbow Trout.
Fish stocked in 1968
4,980
Fish stocked in 1969
2,400
Fish stocked in 1970
4,260
Fish stocked in 1971
3,941
Fish stocked in 1972
5,860
Fish stocked in 1973
6,415
Fish stocked in 1974
6,575
Fish stocked in 1975
7,218
Fish stocked in 1976
7,985
Fish stocked in 1977
9,977
Fish stocked in 1978
8,274
Fish stocked in 1979
6,258
Fish stocked in 1980
12,469
Fish stocked in 1981
8,817
Fish stocked in 1982
7,680
Fish stocked in 1983
6,666
Fish stocked in 1984
6,330
Fish stocked in 1985
5,838
Fish stocked in 1986
4,052
Fish stocked in 1987
5,148
Fish stocked in 1988
5,892
Fish stocked in 1989
5,060
Fish stocked in 1990
5,483
Fish stocked in 1991
5,005
Fish stocked in 1992
6,312
Fish stocked in 1993
4,952
Fish stocked in 1994
5,276
Fish stocked in 1995
4,253
Fish stocked in 1996
5,543
Fish stocked in 1997
3,642
Fish stocked in 1998
3,000
Fish stocked in 1999
3,233
Fish stocked in 2000
2,475
Fish stocked in 2001
2,991
Fish stocked in 2002
3,038
Fish stocked in 2003
4,262
Fish stocked in 2004
2,109
Fish stocked in 2005
2,874
Fish stocked in 2006
3,509
Fish stocked in 2007
2,346
Fish stocked in 2008
5,188
Fish stocked in 2009
5,293
Fish stocked in 2010
3,862
Fish stocked in 2011
4,062
Fish stocked in 2012
3,194
Fish stocked in 2013
4,226
Fish stocked in 2014
3,519
Fish stocked in 2015
4,413
Fish stocked in 2016
2,491
Fish stocked in 2017
2,692
Fish stocked in 2018
2,431
Fish stocked in 2019
3,003
Fish stocked in 2020
2,689
Fish stocked in 2021
5,194
Fish stocked in 2022
1,313
Fish stocked in 2023
2,117
Fish stocked in 2024
2,097
Fish stocked in 2025
2,270
Fish stocked in 2026
2,142
One of five Oster Lakes on the southeast side of Hagerman WMA. From Hagerman go 2.8 miles south on US 30, turn east at the national hatchery sign, keep right, and drive 1 mile to the Oster ponds lot, then walk in on trails. The shared access site lists an accessible restroom and dock.
Drafted by AI from the cited sources and checked before publishing.
Advisories, closures, regulations and water conditions change. Check the Idaho Department of Fish and Game before you go.
Fishing Hagerman WMA Oster Lake #2 usually means Rainbow Trout: Rainbow Trout accounts for 712 of 714 plants on record, ahead of Common Carp and one more. Rainbow Trout was last stocked September 8, 2026, averaging 9.8 in. Common Carp was last stocked July 7, 2014. Steelhead was last stocked February 23, 2015. Bluegill and Largemouth Bass are recorded here outside the stocking reports.
Last stocked September 8, 2026. It is stocked about 12 times a year since 1968, most often in March and May.
Rainbow Trout stocked at Hagerman WMA Oster Lake #2 average 9.8 in.
The nearest town is Hagerman. One of five Oster Lakes on the southeast side of Hagerman WMA. From Hagerman go 2.8 miles south on US 30, turn east at the national hatchery sign, keep right, and drive 1 mile to the Oster ponds lot, then walk in on trails. The shared access site lists an accessible restroom and dock.
Hagerman WMA Oster Lake #1 (0.2 mi), Hagerman WMA Riley Creek Pond (0.7 mi), and Niagara Springs Wood Duck Pond (10.8 mi) were stocked more recently. Hagerman WMA Oster Lake #1 is also stocked with Rainbow Trout, Hagerman WMA Riley Creek Pond is also stocked with Rainbow Trout and Steelhead, and Niagara Springs Wood Duck Pond is also stocked with Rainbow Trout.