
Parvin Lake Fishing Regulations
Larimer County, Colorado · 2026 size limits, bag limits, and seasons
Parvin Lake is a lake in Larimer County, Colorado. It has its own fishing regulations for 7 species, including Brook Trout, Brown Trout, Cutthroat Trout, and Golden Trout, set separately for 2 sections of the lake. These rules replace Colorado's statewide limits on this water.
Map of Parvin Lake

Fish with special rules on Parvin Lake
Tap a fish for identification tips, size records, and the best bait.
Parvin Lake limits by species (2026)
Entire lake
| Species | Size limit | Daily bag | Season |
|---|---|---|---|
| All Fish SpeciesArtificial Only | – | – | Year-round |
| – | 2 | Year-round | |
| – | 2 | Year-round | |
| – | 2 | Year-round | |
| – | 2 | Year-round | |
| – | 2 | Year-round | |
| – | 2 | Year-round | |
| – | 2 | Year-round |
Inlet stream (Lone Pine Creek) upstream to Larimer CR 74E
| Species | Size limit | Daily bag | Season |
|---|---|---|---|
| All Fish SpeciesAs posted | – | – | Year-round · Closed |
– means no limit is listed for this water. Rules not shown here follow Colorado's statewide regulations.
Plan your Parvin Lake trip
Parvin Lake fishing: common questions
What fish have special regulations on Parvin Lake?
7 species have rules specific to Parvin Lake: Brook Trout, Brown Trout, Cutthroat Trout, Golden Trout, Lake Trout, Rainbow Trout, and Steelhead.
What is the brook trout limit on Parvin Lake?
No size limit is listed for Brook Trout on Parvin Lake (entire lake), and the daily bag limit is 2.
What is the brown trout limit on Parvin Lake?
No size limit is listed for Brown Trout on Parvin Lake (entire lake), and the daily bag limit is 2.
What is the cutthroat trout limit on Parvin Lake?
No size limit is listed for Cutthroat Trout on Parvin Lake (entire lake), and the daily bag limit is 2.
Do Colorado statewide fishing rules apply on Parvin Lake?
Where Parvin Lake has its own rule for a species, that rule replaces the statewide limit. For species not listed on this page, Colorado's statewide regulations apply. Regulations are set by the Colorado Parks and Wildlife; confirm with the official 2026 regulations before keeping a fish.
Other Colorado waters with special regulations
- South Platte River
- Yampa River
- Colorado River
- White River
- Poudre River · Larimer
- Gunnison River
- Blue River · Grand, Summit
- Roaring Fork River
- Arkansas River · Chaffee , Lake , Fremont , Pueblo
- Animas River · La Plata
- Eagle River · Eagle
- Taylor River
Take Parvin Lake rules on the water
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