Last stocked
July 20, 2026
Plants on record
102
Since 2020
Species recorded
3
Average size
10.8 in
Elevation
6,899.1 ft
Common questions
- What fish are at Grindstone Reservoir?
- Fishing Grindstone Reservoir is most likely to be for Rainbow Trout. Rainbow Trout accounts for 100 of 102 plants on record, ahead of Channel Catfish and one more. Rainbow Trout was last stocked July 20, 2026, averaging 10.8 in. Channel Catfish was last stocked October 15, 2020, averaging 11.2 in. Cutthroat Trout was last stocked October 6, 2020, averaging 10.4 in.
- When is Grindstone Reservoir stocked?
- Last stocked July 20, 2026. It is stocked about 15 times a year since 2020, most often in June and July. The first plant of the year usually falls in the second week of January. In 2026 it was January 14, 2026, about when it usually is.
- How big are the fish stocked at Grindstone Reservoir?
- Stocked fish average 10.8 in. Rainbow Trout average 10.8 in. Channel Catfish average 11.2 in. Cutthroat Trout average 10.4 in.
- Which lakes near Grindstone Reservoir were stocked more recently?
- Hondo River (LOWER) (57.8 mi) was stocked more recently. Hondo River (LOWER) is also stocked with Rainbow Trout.
How Grindstone Reservoir is stocked
The first plant of the year usually falls in the second week of January. In 2026 it was January 14, 2026, about when it usually is.
Hondo River (LOWER) (57.8 mi) was stocked more recently. Hondo River (LOWER) is also stocked with Rainbow Trout.
Fish at Grindstone Reservoir
Fishing Grindstone Reservoir is most likely to be for Rainbow Trout. Rainbow Trout accounts for 100 of 102 plants on record, ahead of Channel Catfish and one more.
Rainbow Trout 100 plants
- Plants
- 100 of 102
- Last stocked
- July 20, 2026
- Average length
- 10.8 in
Channel Catfish 1 plant
- Plants
- 1 of 102
- Last stocked
- October 15, 2020
- Average length
- 11.2 in
Cutthroat Trout 1 plant
- Plants
- 1 of 102
- Last stocked
- October 6, 2020
- Average length
- 10.4 in
Fish stocked per year
- 32,2452020
- 39,9632021
- 5,9972022
- 11,2222023
- 15,8192024
- 51,1452025
- 28,5022026
Stocking history
Showing 15 of 102 plants Showing 102 plants
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| July 20, 2026 | Rainbow Trout | 2,998 | 10.2 in | report |
| July 7, 2026 | Rainbow Trout | 1,499 | 10.3 in | report |
| June 29, 2026 | Rainbow Trout | 1,500 | 10 in | report |
| June 22, 2026 | Rainbow Trout | 3,001 | 10 in | report |
| June 8, 2026 | Rainbow Trout | 3,001 | 10 in | report |
| June 3, 2026 | Rainbow Trout | 2,000 | 10 in | report |
| June 1, 2026 | Rainbow Trout | 1,001 | 10 in | report |
| May 12, 2026 | Rainbow Trout | 3,000 | 10.3 in | report |
| April 27, 2026 | Rainbow Trout | 2,999 | 10.1 in | report |
| April 21, 2026 | Rainbow Trout | 3,001 | 10.4 in | report |
| March 9, 2026 | Rainbow Trout | 1,501 | 10.3 in | report |
| February 26, 2026 | Rainbow Trout | 1,500 | 10.1 in | report |
| January 14, 2026 | Rainbow Trout | 1,501 | 10 in | report |
| December 22, 2025 | Rainbow Trout | 1,501 | 10.4 in | report |
| December 8, 2025 | Rainbow Trout | 1,501 | 11.1 in | report |
| November 24, 2025 | Rainbow Trout | 1,499 | 10.5 in | report |
| November 14, 2025 | Rainbow Trout | 1,501 | 10.8 in | report |
| October 22, 2025 | Rainbow Trout | 1,500 | 10.7 in | report |
| October 6, 2025 | Rainbow Trout | 1,499 | 10 in | report |
| September 22, 2025 | Rainbow Trout | 1,650 | 10.7 in | report |
| August 25, 2025 | Rainbow Trout | 1,500 | 10.6 in | report |
| August 19, 2025 | Rainbow Trout | 3,000 | 10.2 in | report |
| August 4, 2025 | Rainbow Trout | 3,000 | 10 in | report |
| July 29, 2025 | Rainbow Trout | 1,499 | 10 in | report |
| July 29, 2025 | Rainbow Trout | 1,501 | 10 in | report |
| July 16, 2025 | Rainbow Trout | 2,999 | 10.5 in | report |
| July 2, 2025 | Rainbow Trout | 1,499 | 10.4 in | report |
| June 30, 2025 | Rainbow Trout | 1,499 | 10.4 in | report |
| June 11, 2025 | Rainbow Trout | 2,999 | 10.4 in | report |
| May 30, 2025 | Rainbow Trout | 3,000 | 10 in | report |
| May 1, 2025 | Rainbow Trout | 3,001 | 10.2 in | report |
| April 22, 2025 | Rainbow Trout | 2,997 | 10.4 in | report |
| April 7, 2025 | Rainbow Trout | 3,001 | 10.9 in | report |
| March 25, 2025 | Rainbow Trout | 1,500 | 10.6 in | report |
| March 12, 2025 | Rainbow Trout | 1,500 | 10.3 in | report |
| February 26, 2025 | Rainbow Trout | 399 | 10.5 in | report |
| February 4, 2025 | Rainbow Trout | 2,600 | 10.1 in | report |
| January 23, 2025 | Rainbow Trout | 1,500 | 10.3 in | report |
| January 7, 2025 | Rainbow Trout | 1,500 | 10.2 in | report |
| December 26, 2024 | Rainbow Trout | 1,126 | 10.4 in | report |
| November 26, 2024 | Rainbow Trout | 1,211 | 11.4 in | report |
| November 13, 2024 | Rainbow Trout | 1,500 | 11.1 in | report |
| October 22, 2024 | Rainbow Trout | 1,500 | 11.4 in | report |
| October 7, 2024 | Rainbow Trout | 1,484 | 11 in | report |
| September 25, 2024 | Rainbow Trout | 1,499 | 11.2 in | report |
| September 17, 2024 | Rainbow Trout | 1,500 | 10.7 in | report |
| August 8, 2024 | Rainbow Trout | 3,000 | 11.3 in | report |
| June 11, 2024 | Rainbow Trout | 2,999 | 10.4 in | report |
| May 9, 2023 | Rainbow Trout | 2,401 | 10 in | report |
| April 25, 2023 | Rainbow Trout | 402 | 15 in | report |
| April 25, 2023 | Rainbow Trout | 2,398 | 10.1 in | report |
| March 22, 2023 | Rainbow Trout | 1,493 | 10.6 in | report |
| March 8, 2023 | Rainbow Trout | 1,500 | 10.2 in | report |
| February 21, 2023 | Rainbow Trout | 1,500 | 11 in | report |
| February 6, 2023 | Rainbow Trout | 1,528 | 10.5 in | report |
| December 6, 2022 | Rainbow Trout | 1,499 | 10 in | report |
| November 29, 2022 | Rainbow Trout | 1,500 | 9.4 in | report |
| November 7, 2022 | Rainbow Trout | 1,498 | 10.4 in | report |
| January 11, 2022 | Rainbow Trout | 1,500 | 11.3 in | report |
| December 22, 2021 | Rainbow Trout | 1,125 | 11.4 in | report |
| December 13, 2021 | Rainbow Trout | 1,124 | 10.7 in | report |
| November 8, 2021 | Rainbow Trout | 1,125 | 10.5 in | report |
| October 20, 2021 | Rainbow Trout | 1,127 | 11.4 in | report |
| October 5, 2021 | Rainbow Trout | 1,126 | 11.3 in | report |
| September 21, 2021 | Rainbow Trout | 999 | 11.1 in | report |
| August 23, 2021 | Rainbow Trout | 499 | 13.7 in | report |
| August 23, 2021 | Rainbow Trout | 2,499 | 11.1 in | report |
| August 12, 2021 | Rainbow Trout | 500 | 13.5 in | report |
| August 12, 2021 | Rainbow Trout | 2,500 | 11.3 in | report |
| July 27, 2021 | Rainbow Trout | 3,001 | 11.2 in | report |
| July 12, 2021 | Rainbow Trout | 250 | 13.1 in | report |
| July 7, 2021 | Rainbow Trout | 3,000 | 11.2 in | report |
| June 22, 2021 | Rainbow Trout | 2,999 | 10.4 in | report |
| June 22, 2021 | Rainbow Trout | 199 | 13.1 in | report |
| May 25, 2021 | Rainbow Trout | 2,999 | 10.3 in | report |
| May 11, 2021 | Rainbow Trout | 2,999 | 10.7 in | report |
| April 27, 2021 | Rainbow Trout | 499 | 10.6 in | report |
| April 26, 2021 | Rainbow Trout | 2,999 | 10.6 in | report |
| April 13, 2021 | Rainbow Trout | 2,999 | 11.1 in | report |
| March 17, 2021 | Rainbow Trout | 1,499 | 11 in | report |
| March 10, 2021 | Rainbow Trout | 1,499 | 11.9 in | report |
| February 22, 2021 | Rainbow Trout | 1,499 | 11.5 in | report |
| February 2, 2021 | Rainbow Trout | 449 | 10.8 in | report |
| January 12, 2021 | Rainbow Trout | 449 | 10.8 in | report |
| December 3, 2020 | Rainbow Trout | 762 | 10.7 in | report |
| November 19, 2020 | Rainbow Trout | 449 | 11 in | report |
| November 9, 2020 | Rainbow Trout | 451 | 10.8 in | report |
| October 20, 2020 | Rainbow Trout | 1,500 | 10.7 in | report |
| October 15, 2020 | Channel Catfish | 750 | 11.2 in | report |
| October 6, 2020 | Cutthroat Trout | 1,499 | 10.4 in | report |
| September 24, 2020 | Rainbow Trout | 1,500 | 10.8 in | report |
| September 10, 2020 | Rainbow Trout | 1,499 | 11.1 in | report |
| August 18, 2020 | Rainbow Trout | 2,999 | 10.2 in | report |
| August 3, 2020 | Rainbow Trout | 3,001 | 11.4 in | report |
| July 20, 2020 | Rainbow Trout | 3,000 | 11.2 in | report |
| July 9, 2020 | Rainbow Trout | 2,836 | 10.5 in | report |
| June 15, 2020 | Rainbow Trout | 2,998 | 11.2 in | report |
| June 2, 2020 | Rainbow Trout | 3,000 | 10.5 in | report |
| March 9, 2020 | Rainbow Trout | 1,500 | 10.9 in | report |
| February 18, 2020 | Rainbow Trout | 1,501 | 10.1 in | report |
| February 10, 2020 | Rainbow Trout | 1,500 | 11.1 in | report |
| January 6, 2020 | Rainbow Trout | 1,500 | 10.7 in | report |
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Species stocked here
Depth-by-season, top lures, and bait notes for each species stocked here are on its own species guide, linked above.