Hansen Reservoir fishing

Fishing at Hansen Reservoir has Rainbow Trout, Cutthroat Trout, and Tiger Trout on the stocking report. It is stocked about 1.9 times a year since 2011, most often in May and June. Species guides list dawn and dusk as the active times.

Last stocked

October 15, 2025

Plants on record

28

Since 2011

Species recorded

3

Average size

4.8 in

Elevation

4,243.5 ft

How Hansen Reservoir is stocked

The first plant of the year usually falls in the third week of May. In 2025 it was June 17, 2025, later than usual.

Upper Frog Pond (6.1 mi), Carters Pond (10.9 mi), Upper Carters Pond (11.5 mi), and Brewington Pond South (26.7 mi) were stocked more recently. Upper Frog Pond is also stocked with Rainbow Trout, Carters Pond is also stocked with Rainbow Trout, Upper Carters Pond is also stocked with Rainbow Trout and Tiger Trout, and Brewington Pond South is also stocked with Rainbow Trout.

Fish at Hansen Reservoir

Fishing Hansen Reservoir is most likely to be for Rainbow Trout. Rainbow Trout accounts for 19 of 28 plants on record, ahead of Cutthroat Trout and one more.

Around the dates Hansen Reservoir is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 50.6°F in May, 60.2°F in June, 39.6°F in April, 44.1°F in October. That is air temperature at these coordinates, not water temperature. Open-Meteo

Rainbow Trout 19 plants
Plants
19 of 28
Last stocked
May 18, 2021
Average length
4.8 in

Seasons and rigs are on the Rainbow Trout guide.

Cutthroat Trout 7 plants
Plants
7 of 28
Last stocked
June 17, 2025
Average length
4.7 in

Seasons and rigs are on the Cutthroat Trout guide.

Tiger Trout 2 plants
Plants
2 of 28
Last stocked
October 15, 2025
Average length
5.4 in

Seasons and rigs are on the Tiger Trout guide.

Fish stocked per year

  • 6,2002011
  • 6,0002012
  • 6,0012013
  • 5,9982014
  • 6,1032015
  • 7,0132016
  • 7,0062017
  • 6,9992018
  • 3,5042019
  • 3,5452020
  • 3,4992021
  • 3,5002022
  • 3,5752023
  • 3,0002024
  • 4,0402025

Stocking history

Showing 15 of 28 plants Showing 28 plants

Source: Montana Fish, Wildlife & Parks.
Date Species Quantity Avg. length Source
October 15, 2025 Tiger Trout 500 6.85 in report
June 19, 2025 Tiger Trout 500 4.03 in report
June 17, 2025 Cutthroat Trout 3,040 4.22 in report
June 27, 2024 Cutthroat Trout 3,000 3.85 in report
May 11, 2023 Cutthroat Trout 3,575 4.45 in report
June 29, 2022 Cutthroat Trout 3,500 5.14 in report
June 24, 2021 Cutthroat Trout 1,000 5.2 in report
May 18, 2021 Rainbow Trout 1,499 4.62 in report
May 13, 2021 Rainbow Trout 1,000 2.98 in report
June 30, 2020 Cutthroat Trout 1,000 5.32 in report
May 27, 2020 Rainbow Trout 1,000 3.04 in report
May 6, 2020 Rainbow Trout 1,545 3.73 in report
June 12, 2019 Cutthroat Trout 1,000 5.02 in report
May 20, 2019 Rainbow Trout 1,504 4.32 in report
May 16, 2019 Rainbow Trout 1,000 3.06 in report
May 21, 2018 Rainbow Trout 1,000 2.89 in report
May 21, 2018 Rainbow Trout 5,999 4.31 in report
May 26, 2017 Rainbow Trout 999 3.47 in report
May 16, 2017 Rainbow Trout 6,007 4.12 in report
June 10, 2016 Rainbow Trout 1,003 3.51 in report
April 29, 2016 Rainbow Trout 6,010 4.67 in report
October 9, 2015 Rainbow Trout 96 7.5 in report
May 1, 2015 Rainbow Trout 6,007 4.96 in report
May 29, 2014 Rainbow Trout 5,998 4.12 in report
May 22, 2013 Rainbow Trout 6,001 4.05 in report
April 10, 2012 Rainbow Trout 6,000 3.24 in report
June 6, 2011 Rainbow Trout 27 18.42 in report
June 6, 2011 Rainbow Trout 6,173 4.43 in report
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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