Rainbow Trout Stocked · 7 plants · last May 2010 Best: dawn, dusk Little Thunder Reservoir fishing
Little Thunder Reservoir fishing: not stocked since May 2010. It was stocked with Rainbow Trout, Bluegill, Largemouth Bass, and Cutthroat Trout on a reservoir. Also recorded: Smallmouth bass. Species guides list dawn and dusk for Rainbow Trout, Largemouth Bass, and Smallmouth bass and dawn, day, and dusk for Bluegill.
- Last stocked
- May 2010
- Rainbow Trout
- Plants on record
- 10
- Since 1994
- Species stocked
- 4 (+1 also recorded)
- Average size
- 7.2 in
- Elevation
- 4,780 ft
Fish at Little Thunder Reservoir
Rainbow Trout Stocked · 7 plants · last May 2010 Best: dawn, dusk 
Bluegill Stocked · 1 plant · last June 2001 Best: dawn, day, dusk 
Cutthroat Trout Stocked · 1 plant · last June 2004 Last stocked June 2004 · avg 4.3 in · 1 plant
Cutthroat Trout species guide
Largemouth Bass Stocked · 1 plant · last June 2001 Best: dawn, dusk 
Smallmouth bass Confirmed present Best: dawn, dusk Best: dawn, dusk
Smallmouth bass species guideLittle Thunder Reservoir is recognized as a warm-water fishery. Anglers can find small-mouth bass and blue gill within its waters. Fishing, including lake and pond fishing, is available as a recreation opportunity at this site. (fs.usda.gov, accessed September 22, 2026)
Drafted by AI from the cited sources and checked before publishing.
How Little Thunder Reservoir is stocked
No plants recorded in 9 years between 1994 and 2010.
Fish stocked in 1994
551
Fish stocked in 1999
4,011
Fish stocked in 2001
6,688
Fish stocked in 2002
1,930
Fish stocked in 2004
1,155
Fish stocked in 2005
1,008
Fish stocked in 2006
1,008
Fish stocked in 2010
100
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| May 2010 | Rainbow Trout | 100 | 17 in | report |
| May 2006 | Rainbow Trout | 1,008 | 8.4 in | report |
| May 2005 | Rainbow Trout | 1,008 | 8 in | report |
| June 2004 | Cutthroat Trout | 1,155 | 4.3 in | report |
| May 2002 | Rainbow Trout | 930 | 11.8 in | report |
| April 2002 | Rainbow Trout | 1,000 | 8.4 in | report |
| June 2001 | Largemouth Bass | 2,112 | 1.1 in | report |
| June 2001 | Bluegill | 4,576 | 1.3 in | report |
| June 1999 | Rainbow Trout | 4,011 | 2.8 in | report |
| June 1994 | Rainbow Trout | 551 | 8.7 in | report |
Access and facts
- Water type
- reservoir
- Nearest town
- Wright, WY
- Fee required
- No
US Forest Service day-use site in Thunder Basin National Grassland, about 8 miles from Wright via WY-59, WY-450, and Hilight Road (County Road 52). Free access; a warm-water fishery for bluegill and smallmouth bass.
Drafted by AI from the cited sources and checked before publishing.
Advisories, closures, regulations and water conditions change. Check the Wyoming Game and Fish Department before you go.
Nearest lakes
Common questions
What fish are at Little Thunder Reservoir?
Fishing Little Thunder Reservoir usually means Rainbow Trout: Rainbow Trout accounts for 7 of 10 plants on record, ahead of Bluegill and 2 more. Rainbow Trout was last stocked May 2010, averaging 9.3 in. Bluegill was last stocked June 2001, averaging 1.3 in. Cutthroat Trout was last stocked June 2004, averaging 4.3 in. Largemouth Bass was last stocked June 2001, averaging 1.1 in. Smallmouth bass is recorded here outside the stocking reports.
When is Little Thunder Reservoir stocked?
Not stocked since May 2010. No plants recorded in 9 years between 1994 and 2010.
How big are the fish stocked at Little Thunder Reservoir?
Stocked fish average 7.2 in. Rainbow Trout average 9.3 in. Bluegill average 1.3 in. Cutthroat Trout average 4.3 in. Largemouth Bass average 1.1 in.
How do you get on Little Thunder Reservoir?
No fee is required. The nearest town is Wright, WY. US Forest Service day-use site in Thunder Basin National Grassland, about 8 miles from Wright via WY-59, WY-450, and Hilight Road (County Road 52). Free access; a warm-water fishery for bluegill and smallmouth bass.
Which lakes near Little Thunder Reservoir were stocked more recently?
Black Hills Power and Light Reservoir (52.3 mi), Keyhole Reservoir (53.4 mi), Stockade Beaver Creek (62.1 mi), and Greasewood Lake (62.7 mi) were stocked more recently. Black Hills Power and Light Reservoir is also stocked with Rainbow Trout and Cutthroat Trout, Keyhole Reservoir is also stocked with Largemouth Bass and Bluegill, and Greasewood Lake is also stocked with Rainbow Trout and Cutthroat Trout.