Greenough Lake fishing

Greenough Lake fishing has Rainbow Trout on the stocking report. Also recorded: Creek Chub. It is stocked about 4.2 times a year since 2011, most often in May and August. Species guides list dawn and dusk as the active times.

Greenough Lake
Photo: USDA Forest Service, Northern Region, Public domain
Last stocked
August 25, 2026
· Rainbow Trout
Plants on record
67
Since 2011
Species stocked
1 (+1 also recorded)
Average size
8.7 in
Elevation
7,258.4 ft

Fish at Greenough Lake

1 stocked · 1 confirmed present

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

Rainbow Trout Stocked · 67 plants · last August 25, 2026 Best: dawn, dusk

Last stocked August 25, 2026 · avg 8.7 in · 67 plants

Best: dawn, dusk

Rainbow Trout species guide

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. (recreation.gov, accessed September 22, 2026)

Drafted by AI from the cited sources and checked before publishing.

How Greenough Lake is stocked

Source: Montana Fish, Wildlife & Parks.

Fish stocked in 2011

5,366

Fish stocked in 2012

6,136

Fish stocked in 2013

6,012

Fish stocked in 2014

6,182

Fish stocked in 2015

6,024

Fish stocked in 2016

6,044

Fish stocked in 2017

6,033

Fish stocked in 2018

5,320

Fish stocked in 2019

6,027

Fish stocked in 2020

3,955

Fish stocked in 2021

6,042

Fish stocked in 2022

1,500

Fish stocked in 2023

6,932

Fish stocked in 2024

3,483

Fish stocked in 2025

6,334

Fish stocked in 2026

6,015

Stocking history

Source: Montana Fish, Wildlife & Parks.
Date Species Quantity Avg. length Source
August 25, 2026Rainbow Trout1,49910.41 inreport
August 12, 2026Rainbow Trout1,5009.79 inreport
June 10, 2026Rainbow Trout1,5027.3 inreport
May 12, 2026Rainbow Trout1,5146.68 inreport
August 27, 2025Rainbow Trout87011.7 inreport
August 27, 2025Rainbow Trout92811.7 inreport
July 31, 2025Rainbow Trout34010.5 inreport
July 30, 2025Rainbow Trout1,17012.1 inreport
June 10, 2025Rainbow Trout1,5008.9 inreport
May 21, 2025Rainbow Trout5549.75 inreport
May 13, 2025Rainbow Trout9729.41 inreport
June 20, 2024Rainbow Trout1,9847.77 inreport
May 30, 2024Rainbow Trout1,4999 inreport
September 8, 2023Rainbow Trout1,5008.42 inreport
August 15, 2023Rainbow Trout50010.19 inreport
August 15, 2023Rainbow Trout1,1507.51 inreport
June 12, 2023Rainbow Trout1,6927.91 inreport
May 16, 2023Rainbow Trout2,0908.14 inreport
May 24, 2022Rainbow Trout1,5007.58 inreport
September 7, 2021Rainbow Trout1,5058.15 inreport
August 17, 2021Rainbow Trout1,5007.62 inreport
June 25, 2021Rainbow Trout1,5367.69 inreport
May 6, 2021Rainbow Trout1,5016.65 inreport
September 9, 2020Rainbow Trout7637.7 inreport
June 15, 2020Rainbow Trout10013.48 inreport
June 15, 2020Rainbow Trout1,5018.12 inreport
May 12, 2020Rainbow Trout10012.57 inreport
May 12, 2020Rainbow Trout1,4917.54 inreport
August 13, 2019Rainbow Trout309.68 inreport
August 13, 2019Rainbow Trout1,4977.32 inreport
July 12, 2019Rainbow Trout1,5007.16 inreport
June 4, 2019Rainbow Trout1,5006.7 inreport
May 17, 2019Rainbow Trout1,5007.3 inreport
August 27, 2018Rainbow Trout1,5457.4 inreport
July 25, 2018Rainbow Trout1,5137.69 inreport
June 19, 2018Rainbow Trout1,5107.03 inreport
May 16, 2018Rainbow Trout7527.32 inreport
August 30, 2017Rainbow Trout1,51610.39 inreport
July 19, 2017Rainbow Trout1,5118.52 inreport
June 16, 2017Rainbow Trout1,5088.42 inreport
May 8, 2017Rainbow Trout1,4986.63 inreport
August 18, 2016Rainbow Trout1,49910.12 inreport
July 25, 2016Rainbow Trout1,5139.19 inreport
June 21, 2016Rainbow Trout1,5307.75 inreport
April 22, 2016Rainbow Trout1,5028.19 inreport
August 19, 2015Rainbow Trout5469.71 inreport
August 19, 2015Rainbow Trout9559.02 inreport
July 20, 2015Rainbow Trout1,5008.37 inreport
June 23, 2015Rainbow Trout1,5187.13 inreport
May 12, 2015Rainbow Trout1,5057.46 inreport
August 20, 2014Rainbow Trout1,5108.09 inreport
July 21, 2014Rainbow Trout1,5038.27 inreport
June 25, 2014Rainbow Trout1,5037.61 inreport
May 23, 2014Rainbow Trout1,6668.07 inreport
August 19, 2013Rainbow Trout1,49410.12 inreport
July 23, 2013Rainbow Trout1,5018.94 inreport
June 25, 2013Rainbow Trout1,5217.53 inreport
May 7, 2013Rainbow Trout1,4967.85 inreport
August 28, 2012Rainbow Trout1,5009.35 inreport
July 23, 2012Rainbow Trout1,48910.29 inreport
June 27, 2012Rainbow Trout14012.13 inreport
June 27, 2012Rainbow Trout1,3609.02 inreport
May 9, 2012Rainbow Trout1,6479.58 inreport
August 10, 2011Rainbow Trout1,4688.79 inreport
July 18, 2011Rainbow Trout1,5008.54 inreport
June 20, 2011Rainbow Trout1,4957.27 inreport
May 23, 2011Rainbow Trout9038.35 inreport

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.

Drafted by AI from the cited sources and checked before publishing.

View larger map · Open in Google Maps · Directions

Advisories, closures, regulations and water conditions change. Check the Montana Fish, Wildlife & Parks before you go.

About Greenough Lake

Photo of Greenough Lake
USDA Forest Service, Northern Region, Public domain

Nearest lakes

Moon Lake 5.9 mi last stocked August 1, 2023 Glacier Lake 6.7 mi last stocked August 4, 2025 Wild Bill Lake 7.6 mi last stocked August 24, 2026 Albino Lake 8.4 mi last stocked August 5, 2025 East Rosebud Lake 14.8 mi last stocked June 18, 2025

Camping near Greenough Lake

Campgrounds within 15 miles of Greenough Lake's mapped point, nearest first: Greenough Lake camping (0.4 miles), Limber Pine camping (0.5 miles), Parkside camping (0.9 miles), Rattin camping (5.1 miles), and Sheridan camping (6.3 miles), each with its own campground page on campgroundsdb.com.

Straight-line distances.

Public land at Greenough Lake

Greenough Lake is inside Custer Gallatin National Forest.

Boundaries from Public Lands DB, part of the same network.

Common questions

What fish are at Greenough Lake?

Fishing Greenough Lake usually means Rainbow Trout. All 67 plants on record are Rainbow Trout. Rainbow Trout was last stocked August 25, 2026, averaging 8.7 in. Creek Chub is recorded here outside the stocking reports.

When is Greenough Lake stocked?

Last stocked August 25, 2026. It is stocked about 4.2 times a year since 2011, most often in May and August.

How big are the fish stocked at Greenough Lake?

Rainbow Trout stocked at Greenough Lake average 8.7 in.

How do you get on Greenough Lake?

The nearest town is Red Lodge. Facilities include 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 (3) +