Holter Reservoir
Special Notices & Closures
Fishing Report for the week of 06/29/2026
The weekend was wet, but the rainbow trout fishing has been great while using various nymphs and streamers near the Gates of the Mountains. On the lower end of the reservoir, boat anglers have been catching good numbers of trout while trolling flashers and spinner combos. A few nice walleye and perch are being caught inside the Canyon, near Cottonwood Creek, and around the Clay Banks while pitching jigs and crawlers, trolling bottom bouncers and worm harnesses, or using slip bobbers and leeches. Some anglers are catching a few walleye from the docks at the BLM boat ramp with jigs and worms. A few kokanee salmon are being found while trolling various flashers with wedding rings or Hoochies tipped with corn near Split Rock and just above the Dam. A few northern pike are being caught around weed beds while casting spinners or spoons.
Special Notices & Closures
Fishing Report for the week of 07/06/2026
Trout fishing has been great during the early morning or later evening along the shorelines while flyfishing with various streamers. Good number of rainbows are being found throughout most of the reservoir while trolling cowbells or dodgers with various spinner combos. A few walleye are being caught inside the Canyon, near Cottonwood Creek, and in other small bays between the Clay Banks and the Dam while pitching jigs and crawlers, trolling bottom bouncers or using slip bobbers and leeches. An occasional kokanee is being picked up while trolling for trout between Split Rock and the Dam. A few northern pike continue to be caught around weed beds while casting spinners or spoons or larger streamers.
| Size: | 3666.924 acres |
| Elevation: | 3582.55 ft |
| Status of the Fishery: | Holter Reservoir is a popular year-round fishery for rainbow trout, walleye and yellow perch. In addition, kokanee salmon can be targeted primarily in deeper water near the dam. |
| Township/Range/Section: | 14N 3W 23 |
| Latitude/Longitude: | 46.94243 -111.9588 |
| FWP Region: | Region 4 |
| County: | |
| Fishing District: | Central |
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| Waterbody | Section | Field Form Type | Date | Purpose | Species |
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To see this data, first select one or more rows from the Collection Info tab.
For Comparative analysis all Length Units are millimeters : all Weights are grams
| Species | Count | Avg | StdDev | Min | Max | AvgWgt | StdDevWgt | MinWeight | S/L | Sects | Surveys | Waterbody |
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To see this data, first select one or more rows from the Collection Info tab.
For Comparative analysis all Length Units are millimeters : all Weights are grams
| Waterbody | Section | Species | Count | AveLength | StdDevLength | MinLength | MaxLength | AveWeight | StdDevWeight | MinWeight | MaxWeight |
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To see this data, first select one or more rows from the Collection Info tab.
For Comparative analysis all Length Units are millimeters : all Weights are grams
| Waterbody | Year | Section | Species | Count | AveLength | StdDevLength | MinLength | MaxLength | AveWeight | StdDevWeight | MinWeight | MaxWeight |
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To see this data, first select one or more rows from the Collection Info tab.
This is a preview, all fields will be visible by selecting a download option. For Comparative analysis all Length Units are millimeters : all Weights are grams.
| Year | Species Abbrv | Length | Weight | M/C | Count | Sex | Mort | Hook Scar | Disease | Scales | Otolith | Fin Clip | Tag | Comment | Genetics | Age | Stomach | Intercept | Slope | Gear | Equipment | Trip | Date | Pass/Run | Water | Section | Lat/Down | Lon/Down | Lat/Up | Lon/Up | Agency | Start Depth | End Depth |
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| Year | Angler Days | Std. Error |
|---|---|---|
| 2021 | 53427 | 6160 |
| 2020 | 50672 | 5016 |
| 2019 | 52786 | 5233 |
| 2017 | 96091 | 9779 |
View the latest Montana Fishing Regulations.
No Gauging Stations found.
This waterbody has a fish consumption advisory. Please see the link for guidelines.
Fish Consumption Guidelines (PDF)