Where to Fish Blair Lake


Blair Lake is a beautiful mountain lake located in the Centennial Mountains. The lake is found in the Hell Roaring Drainage and has an inlet and outlet. The northwest part of the lake is shallow and the southeast part of the lake has steep drop offs. There is a high amount of insect life in the lake and leeches were found in the mouths of some fish. The lengthy hike to the lake is of moderate difficulty with some steep switchback portions, but the hike is well worth it. This lake does see moderate amounts of human traffic and is reflected around the lake.

Size: 8.96 acres
Elevation: 8157.36 ft
Directions: From I-15, take Exit 0 for Monida Head East on the South Valley Road and continue towards Red Rock Pass. The turnoff for the Lillian Trailhead is to the south.
Status of the Fishery: Sampling in 2018 showed low numbers of very fat Westslope cutthroat trout averaging over 19 inches. Does not appear to be any natural reproduction and needs to continue to be stocked.
Township/Range/Section: 15S 1E 2
Latitude/Longitude: 44.56297 -111.56934
FWP Region: Region 3  
County: Beaverhead
Fishing District: Central
Owner: Blm
(406)-683-8000
Dillon BLM Office

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Type: MTNLAKE
Notes: There is ample opportunity for shore fishing, but float tube or pack raft is recommended to be able to fish the deeper middle part of the lake. The large cutthroat are catchable, but fishing can be tricky.
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Waterbody Section Field Form Type Date Purpose Species
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
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
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
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
Year Angler Days Std. Error
2021 446 350
2020 274 193
2019 106 106
2015 616 395
View the latest Montana Fishing Regulations.