Castle Creek Fishing Regulations
La Plata County, Colorado · 2026 size limits, bag limits, and seasons
Castle Creek is a creek in La Plata County, Colorado. It has its own fishing regulations for 1 species, including Cutthroat Trout. These rules replace Colorado's statewide limits on this water.
Map of Castle Creek
Fish with special rules on Castle Creek
Tap a fish for identification tips, size records, and the best bait.
Castle Creek limits by species (2026)
| Species | Size limit | Daily bag | Season |
|---|---|---|---|
| All Fish SpeciesArtificial Only | – | – | Year-round |
 Cutthroat Trout | – | Catch & release only | Year-round |
– means no limit is listed for this water. Rules not shown here follow Colorado's statewide regulations.
Plan your Castle Creek trip
Castle Creek fishing: common questions
What fish have special regulations on Castle Creek?
1 species has rules specific to Castle Creek: Cutthroat Trout.
What is the cutthroat trout limit on Castle Creek?
Cutthroat Trout are catch and release only on Castle Creek.
Is Castle Creek catch and release?
Some rules on Castle Creek are catch and release only, covering Cutthroat Trout. Check the table for the section and dates that apply.
Do Colorado statewide fishing rules apply on Castle Creek?
Where Castle Creek 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 Castle Creek rules on the water
Identify your catch, check if it's a keeper, and log it. CatchVault is on iOS, with Android on the way.