Kolar Reservoir 1 fishing

Fishing at Kolar Reservoir 1 has Brook Trout and Rainbow Trout on the stocking report. It is stocked about 1.2 times a year since 2011, most often in May and June. Species guides list dawn, day, and dusk for Brook Trout and dawn and dusk for Rainbow Trout.

Last stocked

May 15, 2026

Plants on record

19

Since 2011

Species recorded

2

Average size

6.7 in

Elevation

4,103 ft

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How Kolar Reservoir 1 is stocked

The first plant of the year usually falls in the fourth week of May. In 2026 it was May 15, 2026, earlier than usual.

No plants recorded in 2016.

Ackley Lake (33.7 mi) and Rainbow Dam Reservoir (39.1 mi) were stocked more recently. Ackley Lake is also stocked with Rainbow Trout and Rainbow Dam Reservoir is also stocked with Rainbow Trout.

Fish at Kolar Reservoir 1

Fishing Kolar Reservoir 1 is most likely to be for Rainbow Trout. Rainbow Trout accounts for 15 of 19 plants on record, ahead of Brook Trout.

Around the dates Kolar Reservoir 1 is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 51.8°F in May, 61.1°F in June, 70.5°F in July, 40.9°F in April. That is air temperature at these coordinates, not water temperature. Open-Meteo

Rainbow Trout 15 plants
Plants
15 of 19
Last stocked
May 15, 2026
Average length
7.5 in

Seasons and rigs are on the Rainbow Trout guide.

Brook Trout 4 plants
Plants
4 of 19
Last stocked
July 2, 2014
Average length
4 in

Seasons and rigs are on the Brook Trout guide.

Fish stocked per year

  • 2,5002011
  • 2,5002012
  • 2,5602013
  • 2,5382014
  • 1,7472015
  • 1,5002017
  • 1,0002018
  • 1,5002019
  • 1,5002020
  • 1,5002021
  • 1,5002022
  • 1,5002023
  • 1,5002024
  • 1,5002025
  • 1,4002026

Stocking history

Showing 15 of 19 plants Showing 19 plants

Source: Montana Fish, Wildlife & Parks.
Date Species Quantity Avg. length Source
May 15, 2026 Rainbow Trout 1,400 7.59 in report
May 27, 2025 Rainbow Trout 1,500 7.31 in report
May 15, 2024 Rainbow Trout 1,500 7.06 in report
May 15, 2023 Rainbow Trout 1,500 7.03 in report
May 19, 2022 Rainbow Trout 1,500 7.54 in report
May 19, 2021 Rainbow Trout 1,500 7.4 in report
June 3, 2020 Rainbow Trout 1,500 7.51 in report
June 4, 2019 Rainbow Trout 1,500 7.1 in report
June 5, 2018 Rainbow Trout 1,000 6.72 in report
June 1, 2017 Rainbow Trout 1,500 8.5 in report
May 21, 2015 Rainbow Trout 1,747 7.06 in report
July 2, 2014 Brook Trout 1,034 4.26 in report
May 22, 2014 Rainbow Trout 1,504 7.88 in report
July 23, 2013 Brook Trout 1,057 4.74 in report
June 11, 2013 Rainbow Trout 1,503 7.99 in report
June 18, 2012 Rainbow Trout 1,500 7.8 in report
June 18, 2012 Brook Trout 1,000 4.1 in report
June 2, 2011 Rainbow Trout 1,500 7.7 in report
April 29, 2011 Brook Trout 1,000 2.7 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