Greenough Lake fishing

Fishing at Greenough Lake has Rainbow Trout on the stocking report. It is stocked about 4.1 times a year since 2011, most often in May and June. Species guides list dawn and dusk as the active times.

Last stocked

June 10, 2026

Plants on record

65

Since 2011

Species recorded

1

Average size

8.7 in

Elevation

7,258.4 ft

Access and facts

Nearest town
Red Lodge
Facilities
camping

A small Beartooth-area lake in Custer Gallatin National Forest, 12 miles south of Red Lodge off the Beartooth Highway. Named for a family of rodeo performers; several small USFS campgrounds (Greenough Lake, Parkside, Limber Pine) sit within walking distance.

Sources: shore_notes , access , nearest_town , fishing_notes , watch_outs

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How Greenough Lake is stocked

The first plant of the year usually falls in the second week of May. In 2026 it was May 12, 2026, about when it usually is.

Fish at Greenough Lake

Fishing Greenough Lake is most likely to be for Rainbow Trout. All 65 plants on record are Rainbow Trout.

Around the dates Greenough Lake is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 40.5°F in May, 52.6°F in June, 59.2°F in August, 61.1°F in July. That is air temperature at these coordinates, not water temperature. Open-Meteo

Rainbow Trout 65 plants
Plants
65 of 65
Last stocked
June 10, 2026
Average length
8.7 in

Seasons and rigs are on the Rainbow Trout guide.

Fishing Greenough Lake

Greenough Lake offers rainbow trout fishing. The campground, which is within walking distance, is less than a quarter-mile from Greenough Lake. It sits on the banks of Rock Creek, and the Main Fork of Rock Creek is also noted as a popular fishing stream in the area.

Sources: recreation.gov

What to watch for

Bears frequent the area, so visitors must obey all food storage rules and regulations.

Fish stocked per year

  • 5,3662011
  • 6,1362012
  • 6,0122013
  • 6,1822014
  • 6,0242015
  • 6,0442016
  • 6,0332017
  • 5,3202018
  • 6,0272019
  • 3,9552020
  • 6,0422021
  • 1,5002022
  • 6,9322023
  • 3,4832024
  • 6,3342025
  • 3,0162026

Stocking history

Showing 15 of 65 plants Showing 65 plants

Source: Montana Fish, Wildlife & Parks.
Date Species Quantity Avg. length Source
June 10, 2026 Rainbow Trout 1,502 7.3 in report
May 12, 2026 Rainbow Trout 1,514 6.68 in report
August 27, 2025 Rainbow Trout 928 11.7 in report
August 27, 2025 Rainbow Trout 870 11.7 in report
July 31, 2025 Rainbow Trout 340 10.5 in report
July 30, 2025 Rainbow Trout 1,170 12.1 in report
June 10, 2025 Rainbow Trout 1,500 8.9 in report
May 21, 2025 Rainbow Trout 554 9.75 in report
May 13, 2025 Rainbow Trout 972 9.41 in report
June 20, 2024 Rainbow Trout 1,984 7.77 in report
May 30, 2024 Rainbow Trout 1,499 9 in report
September 8, 2023 Rainbow Trout 1,500 8.42 in report
August 15, 2023 Rainbow Trout 1,150 7.51 in report
August 15, 2023 Rainbow Trout 500 10.19 in report
June 12, 2023 Rainbow Trout 1,692 7.91 in report
May 16, 2023 Rainbow Trout 2,090 8.14 in report
May 24, 2022 Rainbow Trout 1,500 7.58 in report
September 7, 2021 Rainbow Trout 1,505 8.15 in report
August 17, 2021 Rainbow Trout 1,500 7.62 in report
June 25, 2021 Rainbow Trout 1,536 7.69 in report
May 6, 2021 Rainbow Trout 1,501 6.65 in report
September 9, 2020 Rainbow Trout 763 7.7 in report
June 15, 2020 Rainbow Trout 100 13.48 in report
June 15, 2020 Rainbow Trout 1,501 8.12 in report
May 12, 2020 Rainbow Trout 100 12.57 in report
May 12, 2020 Rainbow Trout 1,491 7.54 in report
August 13, 2019 Rainbow Trout 1,497 7.32 in report
August 13, 2019 Rainbow Trout 30 9.68 in report
July 12, 2019 Rainbow Trout 1,500 7.16 in report
June 4, 2019 Rainbow Trout 1,500 6.7 in report
May 17, 2019 Rainbow Trout 1,500 7.3 in report
August 27, 2018 Rainbow Trout 1,545 7.4 in report
July 25, 2018 Rainbow Trout 1,513 7.69 in report
June 19, 2018 Rainbow Trout 1,510 7.03 in report
May 16, 2018 Rainbow Trout 752 7.32 in report
August 30, 2017 Rainbow Trout 1,516 10.39 in report
July 19, 2017 Rainbow Trout 1,511 8.52 in report
June 16, 2017 Rainbow Trout 1,508 8.42 in report
May 8, 2017 Rainbow Trout 1,498 6.63 in report
August 18, 2016 Rainbow Trout 1,499 10.12 in report
July 25, 2016 Rainbow Trout 1,513 9.19 in report
June 21, 2016 Rainbow Trout 1,530 7.75 in report
April 22, 2016 Rainbow Trout 1,502 8.19 in report
August 19, 2015 Rainbow Trout 955 9.02 in report
August 19, 2015 Rainbow Trout 546 9.71 in report
July 20, 2015 Rainbow Trout 1,500 8.37 in report
June 23, 2015 Rainbow Trout 1,518 7.13 in report
May 12, 2015 Rainbow Trout 1,505 7.46 in report
August 20, 2014 Rainbow Trout 1,510 8.09 in report
July 21, 2014 Rainbow Trout 1,503 8.27 in report
June 25, 2014 Rainbow Trout 1,503 7.61 in report
May 23, 2014 Rainbow Trout 1,666 8.07 in report
August 19, 2013 Rainbow Trout 1,494 10.12 in report
July 23, 2013 Rainbow Trout 1,501 8.94 in report
June 25, 2013 Rainbow Trout 1,521 7.53 in report
May 7, 2013 Rainbow Trout 1,496 7.85 in report
August 28, 2012 Rainbow Trout 1,500 9.35 in report
July 23, 2012 Rainbow Trout 1,489 10.29 in report
June 27, 2012 Rainbow Trout 140 12.13 in report
June 27, 2012 Rainbow Trout 1,360 9.02 in report
May 9, 2012 Rainbow Trout 1,647 9.58 in report
August 10, 2011 Rainbow Trout 1,468 8.79 in report
July 18, 2011 Rainbow Trout 1,500 8.54 in report
June 20, 2011 Rainbow Trout 1,495 7.27 in report
May 23, 2011 Rainbow Trout 903 8.35 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.

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