Grand Lake Fishing Regulations
Colorado · 2026 size limits, bag limits, and seasons
Grand Lake is a lake, Colorado. It has its own fishing regulations for 2 species, including Lake Trout and Tiger Muskie, set separately for 2 sections of the lake. These rules replace Colorado's statewide limits on this water.
Map of Grand Lake
Fish with special rules on Grand Lake
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Grand Lake limits by species (2026)
Entire lake
| Species | Size limit | Daily bag | Season |
|---|---|---|---|
 Lake TroutOnly 1 lake trout greater than 36 inches · Gaffs and tail snares prohibited · No size, bag, or possession limit for tiger muskie · All lake trout 26-36 inches must be released · Portable ice fishing shelters only | – | 4 | Year-round |
Grand
| Species | Size limit | Daily bag | Season |
|---|---|---|---|
| All Fish SpeciesPortable ice shelter only · Gaffs prohibited · Tail snares prohibited | – | – | Always open |
| Lake TroutOnly 1 may be longer than 36 inches. All lake trout 26-36 inches long must be returned to water immediately. | – | 4 | Always open |
| Tiger MuskieNo bag limit · No size limit | – | – | Always open |
– means no limit is listed for this water. Rules not shown here follow Colorado's statewide regulations.
Plan your Grand Lake trip
Grand Lake fishing: common questions
What fish have special regulations on Grand Lake?
2 species have rules specific to Grand Lake: Lake Trout and Tiger Muskie.
What is the lake trout limit on Grand Lake?
No size limit is listed for Lake Trout on Grand Lake (entire lake), and the daily bag limit is 4. Rules differ across 2 sections of the lake.
What is the tiger muskie limit on Grand Lake?
No size limit is listed for Tiger Muskie on Grand Lake (grand).
Do Colorado statewide fishing rules apply on Grand Lake?
Where Grand 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 Grand Lake rules on the water
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