Rock Lake fishing

Fishing at Rock Lake has Rainbow Trout and Cutthroat Trout on the stocking report. It is stocked about 1.2 times a year since 2011, most often in July and September. Species guides list dawn and dusk as the active times.

Last stocked

September 27, 2023

Plants on record

15

Since 2011

Species recorded

2

Average size

4.2 in

Elevation

3,194.2 ft

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How Rock Lake is stocked

The first plant of the year usually falls in the third week of September. In 2023 it was September 27, 2023, about when it usually is.

Murray Lake (4.8 mi), Smith Lake (5.9 mi), and Dollar Lake (6.2 mi) were stocked more recently. Murray Lake is also stocked with Rainbow Trout and Cutthroat Trout, Smith Lake is also stocked with Rainbow Trout and Cutthroat Trout, and Dollar Lake is also stocked with Rainbow Trout and Cutthroat Trout.

Fish at Rock Lake

Fishing Rock Lake is most likely to be for Rainbow Trout. Rainbow Trout accounts for 13 of 15 plants on record, ahead of Cutthroat Trout.

Around the dates Rock Lake is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 56.4°F in September, 66.5°F in July, 51.2°F in May, 58.6°F in June. That is air temperature at these coordinates, not water temperature. Open-Meteo

Rainbow Trout 13 plants
Plants
13 of 15
Last stocked
September 27, 2023
Average length
4.4 in

Seasons and rigs are on the Rainbow Trout guide.

Cutthroat Trout 2 plants
Plants
2 of 15
Last stocked
July 30, 2019
Average length
2.8 in

Seasons and rigs are on the Cutthroat Trout guide.

Fish stocked per year

  • 1,1042011
  • 1,0472012
  • 2,2002013
  • 1,0002014
  • 1,1002015
  • 1,0972016
  • 1,0012017
  • 1,0012018
  • 3,3502019
  • 1,1002020
  • 1,1022021
  • 1,2452022
  • 1,1052023

Stocking history

Source: Montana Fish, Wildlife & Parks.
Date Species Quantity Avg. length Source
September 27, 2023 Rainbow Trout 1,105 4.43 in report
September 15, 2022 Rainbow Trout 1,245 4.22 in report
September 20, 2021 Rainbow Trout 1,102 3.91 in report
September 24, 2020 Rainbow Trout 40 4.21 in report
September 24, 2020 Rainbow Trout 1,060 4.06 in report
September 30, 2019 Rainbow Trout 1,100 4.24 in report
July 30, 2019 Cutthroat Trout 2,250 2.7 in report
September 20, 2018 Rainbow Trout 1,001 4.17 in report
September 27, 2017 Rainbow Trout 1,001 4.33 in report
September 23, 2016 Rainbow Trout 1,097 4.26 in report
September 8, 2015 Rainbow Trout 1,100 3.21 in report
November 12, 2014 Rainbow Trout 1,000 3.93 in report
July 29, 2013 Cutthroat Trout 2,200 2.8 in report
June 22, 2012 Rainbow Trout 1,047 9.04 in report
May 19, 2011 Rainbow Trout 1,104 2.79 in report

Species stocked here

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

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