Rio Grande Reservoir Fishing and Stocking
Colorado. Colorado Parks and Wildlife lists 8 stockings here in the latest year of its data (Trout (species not given)), the most recent on Aug 8, 2026. Stocked in June, July and August in two or more years.
2026 Stocking
| Date | Species | Size |
|---|---|---|
| Aug 8–14, 2026 | Trout (species not given) | approximately 10" |
| Aug 1–7, 2026 | Trout (species not given) | approximately 10" |
| Jul 25–31, 2026 | Trout (species not given) | approximately 10" |
| Jul 18–24, 2026 | Trout (species not given) | approximately 10" |
| Jul 11–17, 2026 | Trout (species not given) | approximately 10" |
| Jul 4–10, 2026 | Trout (species not given) | approximately 10" |
| Jun 20–26, 2026 | Trout (species not given) | approximately 10" |
| Jun 13–19, 2026 | Trout (species not given) | approximately 10" |
2025 Stocking
| Date | Species | Size |
|---|---|---|
| Oct 4–10, 2025 | Trout (species not given) | approximately 10" |
| Aug 2–8, 2025 | Trout (species not given) | approximately 10" |
| Jul 19–25, 2025 | Trout (species not given) | approximately 10" |
| Jun 28 – Jul 4, 2025 | Trout (species not given) | approximately 10" |
About This Data
Every row comes from the stocking information published by Colorado Parks and Wildlife, checked Nov 3, 2026. The agency lists this water as “Rio Grande Reservoir”. Species and sizes are given as the agency names them; a dash means the agency does not say.
More for Colorado Anglers
Stocking dates and places can change without notice; check with the agency before a trip. ReelTourney is not affiliated with Colorado Parks and Wildlife.