Pathfinder Reservoir

Pathfinder Reservoir fishing

Fishing at Pathfinder Reservoir is on a reservoir, stocked with Rainbow Trout, Cutthroat Trout, Kokanee Salmon, and Ohrid trout. It is stocked about 3.8 times a year since 2015, most often in October and November. Species guides list dawn and dusk as the active times.

Last stocked

July 1, 2026

Plants on record

46

Since 2015

Species recorded

3

Average size

6.1 in

Elevation

5,846 ft

Access and facts

Water type
reservoir
Nearest town
Casper, WY
Boat ramp
Yes
Facilities
camping

North Platte River reservoir below Casper, partly within Pathfinder National Wildlife Refuge. Recreation.gov lists 3 boat ramps and 3 campgrounds around the shoreline, plus an interpretive center and 1.7-mile trail near the historic 1909 dam.

Sources: water_type , access , shore_notes , facilities , nearest_town , speciesFound , fishing_notes , fishing_notes

How Pathfinder Reservoir is stocked

The first plant of the year usually falls in the first week of May. In 2026 it was May 1, 2026, about when it usually is.

Fish at Pathfinder Reservoir

Fishing Pathfinder Reservoir is most likely to be for Rainbow Trout. Rainbow Trout accounts for 22 of 46 plants on record, ahead of Kokanee Salmon and one more.

Rainbow Trout 22 plants
Plants
22 of 46
Last stocked
July 1, 2026
Average length
8.3 in

Seasons and rigs are on the Rainbow Trout guide.

Kokanee Salmon 13 plants
Plants
13 of 46
Last stocked
May 1, 2026
Average length
2.9 in

Seasons and rigs are on the Kokanee Salmon guide.

Cutthroat Trout 11 plants
Plants
11 of 46
Last stocked
May 1, 2026
Average length
5.6 in

Seasons and rigs are on the Cutthroat Trout guide.

Fishing Pathfinder Reservoir

Pathfinder Reservoir offers diverse fishing opportunities, with available fish species including brown trout, cutthroat trout, rainbow trout, ohrid trout, and walleye. Rainbow and cutthroat trout are stocked annually in the reservoir. Notably, Pathfinder Reservoir is home to the only established population of the Macedonian Ohrid Trout (S. letnica) in the United States.

Sources: recreation.gov , en.wikipedia.org

Fish stocked per year

  • 125,9802015
  • 100,7372016
  • 97,0572017
  • 142,0382018
  • 252,3912019
  • 230,9762020
  • 243,9692021
  • 262,9832022
  • 279,2782023
  • 322,5732024
  • 316,5392025
  • 132,2852026

Stocking history

Showing 15 of 46 plants Showing 46 plants

Source: Wyoming Game and Fish Department.
Date Species Quantity Avg. length Source
July 1, 2026 Rainbow Trout 154 8.9 in report
June 1, 2026 Rainbow Trout 17,864 8.1 in report
May 1, 2026 Kokanee Salmon 100,070 2.8 in report
May 1, 2026 Cutthroat Trout 14,197 5.7 in report
November 1, 2025 Rainbow Trout 115,551 8.6 in report
November 1, 2025 Cutthroat Trout 53,419 4.4 in report
May 1, 2025 Rainbow Trout 21,290 8.4 in report
May 1, 2025 Rainbow Trout 23,634 6 in report
May 1, 2025 Kokanee Salmon 102,645 3 in report
November 1, 2024 Rainbow Trout 43,445 8.5 in report
October 1, 2024 Rainbow Trout 110,834 8.3 in report
October 1, 2024 Cutthroat Trout 57,322 4.1 in report
May 1, 2024 Rainbow Trout 4,736 8.7 in report
May 1, 2024 Kokanee Salmon 106,236 2.7 in report
November 1, 2023 Rainbow Trout 120,560 7.9 in report
October 1, 2023 Cutthroat Trout 45,073 3.9 in report
August 1, 2023 Cutthroat Trout 58,919 2.8 in report
June 1, 2023 Kokanee Salmon 11,013 3 in report
May 1, 2023 Kokanee Salmon 43,713 2.7 in report
November 1, 2022 Rainbow Trout 147,824 8 in report
October 1, 2022 Cutthroat Trout 49,992 3.9 in report
June 1, 2022 Kokanee Salmon 65,167 2.3 in report
November 1, 2021 Rainbow Trout 109,955 8.4 in report
October 1, 2021 Rainbow Trout 36,282 7.4 in report
October 1, 2021 Cutthroat Trout 47,901 3 in report
June 1, 2021 Kokanee Salmon 13,548 2.5 in report
May 1, 2021 Kokanee Salmon 36,283 2.9 in report
November 1, 2020 Rainbow Trout 140,750 8.2 in report
September 1, 2020 Rainbow Trout 14,298 7.4 in report
June 1, 2020 Rainbow Trout 7,700 8.9 in report
May 1, 2020 Kokanee Salmon 50,028 2.8 in report
April 1, 2020 Kokanee Salmon 18,200 3 in report
November 1, 2019 Rainbow Trout 6,804 8.8 in report
October 1, 2019 Rainbow Trout 114,942 8.9 in report
October 1, 2019 Cutthroat Trout 26,460 7.3 in report
July 1, 2019 Kokanee Salmon 41,268 3.1 in report
April 1, 2019 Kokanee Salmon 62,917 2.6 in report
October 1, 2018 Rainbow Trout 90,014 9.2 in report
October 1, 2018 Cutthroat Trout 8,925 8.2 in report
July 1, 2018 Rainbow Trout 11,060 5 in report
June 1, 2018 Kokanee Salmon 32,039 3.8 in report
November 1, 2017 Rainbow Trout 86,109 10 in report
November 1, 2017 Cutthroat Trout 10,948 8.9 in report
November 1, 2016 Rainbow Trout 89,568 10.4 in report
October 1, 2016 Cutthroat Trout 11,169 9.4 in report
October 1, 2015 Rainbow Trout 125,980 8.3 in report
Show 31 more plants Show less

Species found here

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

  • Ohrid trout : Only established self-sustaining population of Salmo letnica (Ohrid trout), native to Lake Ohrid in the Balkans, in the United States; not stocked by WGFD. (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.

Nearest lakes