Where to Fish Fossil Lake


The lake receives plenty of use as it is a popular camping spot along the beaten path trail. The 2012 FWP survey caught 12 YCT netting and angled 19. Fish spawn in the inlets and outlet and there is some evidence of recruitment.

Size: 164.7 acres
Elevation: 9895.76 ft
Directions: Easily reached By Trail from cooke city or east Rosebud Lake. This is the most heavily used trail in the beartooths.
Status of the Fishery:
Township/Range/Section: 08S 16E 31
Latitude/Longitude: 45.092 -109.7905
FWP Region: Region 5 
County: Carbon
Fishing District: Central
Type: MTNLAKE
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Waterbody Section Field Form Type Date Purpose Species
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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 347 254
2020 130 130
2015 444 222
View the latest Montana Fishing Regulations.