Where to Fish Trio Lakes

Trio Lakes


Upper Trio Lake is a small (8.8 acres), remote glacial cirque lake located near the Idaho border in the North Fork Fish Creek drainage at 6,222 ft elevation. The lake lies on the Lolo National Forest (Ninemile Ranger District) in the proposed Great Burn Wilderness Area.

Size 8.8 acres
Elevation 6222.0 ft.
Directions The easiest way to access Upper Trio Lake is to take USFS Rd #250 (Trout Creek Road) from Superior, MT. From USFS Road #250, there are two options to hike. One option is to hike USFS Trail #171 to Heart Lake, then Trail #175 past Pearl Lake, to Trail #738. Hike southeast on Trail #738 ~ 1 mile to the saddle from which you can see Upper Trio Lake. Descend off-trail to Upper Trio Lake. The other option is to take Trail #738 (Stateline National Recreation Trail) east-southeast, along the Idaho border, from the top of Hoodoo Pass (USFS Road # 250) and follow the same directions from near Dalton Lake. Both routes are between 6 and 7 miles hiking distance, with moderate difficulty.
Status of the Fishery
Township/Range/Section 14N 27W 36
Latitude/Longitude 46.929 -114.94608
FWP Region Region 2 
County Mineral
Fishing District Western
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Waterbody Section Field Form Type Date Purpose Species
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
For Comparative analysis all Length Units are millimeters : all Weights are grams
Waterbody Section Species Count AveLength StdDevLength MinLength MaxLength AveWeight StdDevWeight MinWeight MaxWeight
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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Id Fcs Id Fnd Id Species 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

View the latest Montana Fishing Regulations.

There is no fish consumption advisory for this waterbody.