Sulphur Creek Reservoir fishing

Fishing at Sulphur Creek Reservoir has Cutthroat Trout, Rainbow Trout, Tiger Trout, Arctic Grayling, Brown Trout, and Kokanee Salmon, and 1 more on the stocking report. It is stocked about 2.8 times a year since 2003, most often in May and September. Species guides list dawn and dusk for Rainbow Trout, Tiger Trout, and Kokanee Salmon, dawn, day, and dusk for Brown Trout, and dawn, dusk, and night for Walleye.

Last stocked

June 1, 2026

Plants on record

Since 2003

Species recorded

Average size

6.7 in

Elevation

7,186 ft

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How Sulphur Creek Reservoir is stocked

The first plant of the year usually falls in the first week of August. In 2026 it was May 1, 2026, earlier than usual.

Fish at Sulphur Creek Reservoir

Fishing Sulphur Creek Reservoir is most likely to be for Cutthroat Trout. Cutthroat Trout accounts for 30 of 67 plants on record, ahead of Rainbow Trout and 4 more.

Cutthroat Trout 30 plants

Plants: 30 of 67
Last stocked: May 1, 2026
Average length: 7.6 in

Seasons and rigs are on the Cutthroat Trout guide.

Rainbow Trout 15 plants

Plants: 15 of 67
Last stocked: October 1, 2017
Average length: 7.2 in

Seasons and rigs are on the Rainbow Trout guide.

Tiger Trout 9 plants

Plants: 9 of 67
Last stocked: June 1, 2026
Average length: 4.9 in

Seasons and rigs are on the Tiger Trout guide.

Brown Trout 7 plants

Plants: 7 of 67
Last stocked: May 1, 2026
Average length: 7.5 in

Seasons and rigs are on the Brown Trout guide.

Kokanee Salmon 5 plants

Plants: 5 of 67
Last stocked: May 1, 2026
Average length: 3 in

Seasons and rigs are on the Kokanee Salmon guide.

Arctic Grayling 1 plant

Plants: 1 of 67
Last stocked: September 1, 2020
Average length: 2.4 in

Seasons and rigs are on the Arctic Grayling guide.

Fish stocked per year

47,7352003
69,8182004
51,7942005
54,9372006
83,3662007
38,5352008
38,9112009
76,3192010
60,3722011
33,0402012
70,6192013
42,6762014
57,5062015
38,0802016
44,9732017
33,0412018
21,8402019
82,0432020
49,4052021
48,1102022
57,0802023
54,0942024
72,9702025
61,6072026

Stocking history

Showing 15 of 67 plants Showing 67 plants

Source: Wyoming Game and Fish Department.
Date	Species	Quantity	Avg. length	Source
June 1, 2026	Tiger Trout	15,000	4.1 in	report
May 1, 2026	Kokanee Salmon	15,367	3.1 in	report
May 1, 2026	Cutthroat Trout	16,500	6.7 in	report
May 1, 2026	Brown Trout	14,740	6.9 in	report
May 1, 2025	Tiger Trout	13,556	3.5 in	report
May 1, 2025	Kokanee Salmon	16,396	2.8 in	report
May 1, 2025	Cutthroat Trout	28,114	7.4 in	report
May 1, 2025	Brown Trout	14,904	7.5 in	report
September 1, 2024	Tiger Trout	15,734	6.2 in	report
September 1, 2024	Brown Trout	16,337	8.6 in	report
June 1, 2024	Tiger Trout	5,952	3 in	report
June 1, 2024	Kokanee Salmon	12,313	2.8 in	report
May 1, 2024	Kokanee Salmon	3,758	2.8 in	report
September 1, 2023	Tiger Trout	11,499	5.8 in	report
September 1, 2023	Brown Trout	14,301	7.9 in	report
August 1, 2023	Cutthroat Trout	11,850	6.9 in	report
June 1, 2023	Cutthroat Trout	3,450	8.7 in	report
May 1, 2023	Kokanee Salmon	15,980	3.3 in	report
September 1, 2022	Tiger Trout	16,642	6.2 in	report
September 1, 2022	Brown Trout	12,543	8.5 in	report
April 1, 2022	Cutthroat Trout	18,925	7.7 in	report
September 1, 2021	Tiger Trout	14,673	6.1 in	report
September 1, 2021	Brown Trout	16,484	7.4 in	report
April 1, 2021	Cutthroat Trout	18,248	7.3 in	report
November 1, 2020	Brown Trout	9,132	5.4 in	report
October 1, 2020	Cutthroat Trout	15,990	3.3 in	report
September 1, 2020	Tiger Trout	15,387	5.6 in	report
September 1, 2020	Arctic Grayling	20,088	2.4 in	report
September 1, 2020	Cutthroat Trout	21,446	8.3 in	report
September 1, 2019	Cutthroat Trout	21,840	7.8 in	report
September 1, 2018	Cutthroat Trout	17,999	9 in	report
May 1, 2018	Tiger Trout	15,042	3.8 in	report
October 1, 2017	Rainbow Trout	18,011	9.3 in	report
September 1, 2017	Rainbow Trout	6,876	8.3 in	report
September 1, 2017	Cutthroat Trout	20,086	8.6 in	report
September 1, 2016	Rainbow Trout	38,080	7.5 in	report
September 1, 2015	Rainbow Trout	39,240	7 in	report
September 1, 2015	Cutthroat Trout	18,266	7.7 in	report
September 1, 2014	Rainbow Trout	20,040	7.5 in	report
September 1, 2014	Cutthroat Trout	22,636	8.1 in	report
October 1, 2013	Rainbow Trout	19,525	7.7 in	report
October 1, 2013	Cutthroat Trout	47,348	6.9 in	report
September 1, 2013	Rainbow Trout	3,746	7.7 in	report
September 1, 2012	Rainbow Trout	33,040	7.6 in	report
September 1, 2011	Rainbow Trout	32,832	6.9 in	report
September 1, 2011	Cutthroat Trout	27,540	7.8 in	report
September 1, 2010	Rainbow Trout	28,524	7.4 in	report
September 1, 2010	Cutthroat Trout	47,795	4.6 in	report
October 1, 2009	Rainbow Trout	16,987	8.5 in	report
September 1, 2009	Cutthroat Trout	21,264	6.1 in	report
July 1, 2009	Cutthroat Trout	660	15.3 in	report
September 1, 2008	Cutthroat Trout	38,535	6.5 in	report
September 1, 2007	Cutthroat Trout	35,800	5.2 in	report
May 1, 2007	Rainbow Trout	30,240	5.4 in	report
May 1, 2007	Rainbow Trout	6,510	5.4 in	report
May 1, 2007	Cutthroat Trout	10,816	7.6 in	report
September 1, 2006	Cutthroat Trout	21,978	5.3 in	report
May 1, 2006	Rainbow Trout	32,959	6 in	report
September 1, 2005	Cutthroat Trout	43,814	5.3 in	report
May 1, 2005	Cutthroat Trout	7,980	7 in	report
October 1, 2004	Cutthroat Trout	3,182	6.4 in	report
September 1, 2004	Cutthroat Trout	22,756	6.2 in	report
August 1, 2004	Cutthroat Trout	12,467	8 in	report
July 1, 2004	Cutthroat Trout	1,113	15.4 in	report
May 1, 2004	Rainbow Trout	30,300	5.5 in	report
September 1, 2003	Cutthroat Trout	45,785	6.3 in	report
August 1, 2003	Cutthroat Trout	1,950	11 in	report

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Species found here

Confirmed present independent of the stocking records above, not from a stocking event.

Walleye : WGFD's 2026 fishing forecast describes an illegally introduced walleye population here, distinct from this reservoir's tracked stocking history (kokanee salmon, trout species). (source)

Species stocked here

Depth-by-season, top lures, and bait notes for each species stocked here are on its own species guide, linked above.