Eightmile Springs fishing

Fishing at Eightmile Springs has Brook Trout, Rainbow Trout, and Largemouth Bass on the stocking report. It is stocked about 1.9 times a year since 2011, most often in May and August. Species guides list dawn, day, and dusk for Brook Trout and dawn and dusk for Rainbow Trout and Largemouth Bass.

Last stocked

May 13, 2026

Plants on record

30

Since 2011

Species recorded

3

Average size

4.6 in

Elevation

2,923 ft

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How Eightmile Springs is stocked

The first plant of the year usually falls in the third week of May. In 2026 it was May 13, 2026, about when it usually is.

Leningtons Reservoir (13.9 mi), Rainbow Dam Reservoir (26.1 mi), and Wadsworth Lake (32.7 mi) were stocked more recently. Leningtons Reservoir is also stocked with Rainbow Trout and Largemouth Bass, Rainbow Dam Reservoir is also stocked with Rainbow Trout, and Wadsworth Lake is also stocked with Brook Trout, Rainbow Trout, and Largemouth Bass.

Fish at Eightmile Springs

Fishing Eightmile Springs is most likely to be for Rainbow Trout. Rainbow Trout accounts for 16 of 30 plants on record, ahead of Largemouth Bass and one more.

Rainbow Trout 16 plants
Plants
16 of 30
Last stocked
May 13, 2026
Average length
7 in

Seasons and rigs are on the Rainbow Trout guide.

Largemouth Bass 13 plants
Plants
13 of 30
Last stocked
August 12, 2025
Average length
1.8 in

Seasons and rigs are on the Largemouth Bass guide.

Brook Trout 1 plant
Plants
1 of 30
Last stocked
April 27, 2011
Average length
2.7 in

Seasons and rigs are on the Brook Trout guide.

Fish stocked per year

  • 2,5002011
  • 3,5002012
  • 3,0002013
  • 3,0632014
  • 3,0002015
  • 3,0002016
  • 3,0002017
  • 3,0002018
  • 3,5862019
  • 3,0002020
  • 3,0002021
  • 1,5002022
  • 3,0002023
  • 3,0002024
  • 3,0002025
  • 1,0002026

Stocking history

Showing 15 of 30 plants Showing 30 plants

Source: Montana Fish, Wildlife & Parks.
Date Species Quantity Avg. length Source
May 13, 2026 Rainbow Trout 1,000 7.64 in report
August 12, 2025 Largemouth Bass 1,500 1.86 in report
May 28, 2025 Rainbow Trout 1,500 7.64 in report
August 13, 2024 Largemouth Bass 1,500 1.35 in report
May 28, 2024 Rainbow Trout 1,500 4.7 in report
July 27, 2023 Largemouth Bass 1,500 1.8 in report
May 26, 2023 Rainbow Trout 1,500 7.03 in report
May 16, 2022 Rainbow Trout 1,500 7.32 in report
July 22, 2021 Largemouth Bass 1,500 1.92 in report
May 18, 2021 Rainbow Trout 1,500 7.4 in report
July 15, 2020 Largemouth Bass 1,500 0.77 in report
May 27, 2020 Rainbow Trout 1,500 7.49 in report
July 27, 2019 Largemouth Bass 2,086 1.55 in report
May 21, 2019 Rainbow Trout 1,500 6.7 in report
July 26, 2018 Largemouth Bass 1,500 2.32 in report
May 23, 2018 Rainbow Trout 1,500 6.45 in report
August 2, 2017 Largemouth Bass 1,500 3.03 in report
May 18, 2017 Rainbow Trout 1,500 7.7 in report
August 10, 2016 Largemouth Bass 1,500 1.62 in report
May 3, 2016 Rainbow Trout 1,500 7.4 in report
August 12, 2015 Largemouth Bass 1,500 2.5 in report
April 27, 2015 Rainbow Trout 1,500 6.83 in report
July 17, 2014 Largemouth Bass 1,500 1.3 in report
May 1, 2014 Rainbow Trout 1,563 7.42 in report
August 1, 2013 Largemouth Bass 1,500 2.3 in report
May 7, 2013 Rainbow Trout 1,500 6.9 in report
August 8, 2012 Largemouth Bass 2,000 1.5 in report
May 16, 2012 Rainbow Trout 1,500 6.6 in report
May 3, 2011 Rainbow Trout 1,500 6.9 in report
April 27, 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