Last stocked
March 18, 2026
Plants on record
9
Since 2022
Species recorded
2
Average size
9.3 in
Elevation
5,967.2 ft
Common questions
- What fish are at Ruby Lake Unit Twenty-one?
- Fishing Ruby Lake Unit Twenty-one is most likely to be for Rainbow Trout. Rainbow Trout accounts for 6 of 9 plants on record, ahead of Tiger Trout. Rainbow Trout was last stocked March 17, 2026, averaging 9.1 in. Tiger Trout was last stocked March 18, 2026, averaging 9.9 in.
- When is Ruby Lake Unit Twenty-one stocked?
- Last stocked March 18, 2026. It is stocked about 1.8 times a year since 2022, most often in March and October. The first plant of the year usually falls in the second week of April. In 2026 it was March 17, 2026, earlier than usual. No plants recorded in 2023.
- How big are the fish stocked at Ruby Lake Unit Twenty-one?
- Stocked fish average 9.3 in. Rainbow Trout average 9.1 in. Tiger Trout average 9.9 in.
- Which lakes near Ruby Lake Unit Twenty-one were stocked more recently?
- Ruby Lake NWR – Collection Ditch (1.9 mi), Jiggs Reservoir (22.1 mi), Cold Creek Reservoir (27.3 mi), Liberty Pond (28.5 mi), and Lamoille Creek (52.9 mi) were stocked more recently. Ruby Lake NWR – Collection Ditch is also stocked with Tiger Trout and Rainbow Trout, Jiggs Reservoir is also stocked with Rainbow Trout, Cold Creek Reservoir is also stocked with Rainbow Trout and Tiger Trout, and Liberty Pond is also stocked with Rainbow Trout.
How Ruby Lake Unit Twenty-one is stocked
The first plant of the year usually falls in the second week of April. In 2026 it was March 17, 2026, earlier than usual.
No plants recorded in 2023.
Ruby Lake NWR – Collection Ditch (1.9 mi), Jiggs Reservoir (22.1 mi), Cold Creek Reservoir (27.3 mi), Liberty Pond (28.5 mi), and Lamoille Creek (52.9 mi) were stocked more recently. Ruby Lake NWR – Collection Ditch is also stocked with Tiger Trout and Rainbow Trout, Jiggs Reservoir is also stocked with Rainbow Trout, Cold Creek Reservoir is also stocked with Rainbow Trout and Tiger Trout, and Liberty Pond is also stocked with Rainbow Trout.
Fish at Ruby Lake Unit Twenty-one
Fishing Ruby Lake Unit Twenty-one is most likely to be for Rainbow Trout. Rainbow Trout accounts for 6 of 9 plants on record, ahead of Tiger Trout.
Rainbow Trout 6 plants
- Plants
- 6 of 9
- Last stocked
- March 17, 2026
- Average length
- 9.1 in
Tiger Trout 3 plants
- Plants
- 3 of 9
- Last stocked
- March 18, 2026
- Average length
- 9.9 in
Fish stocked per year
- 2,8082022
- 7742024
- 2,6952025
- 1,7362026
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| March 18, 2026 | Tiger Trout | 1,008 | 9.3 in | report |
| March 17, 2026 | Rainbow Trout | 728 | 8.8 in | report |
| October 13, 2025 | Tiger Trout | 995 | 10.4 in | report |
| October 9, 2025 | Rainbow Trout | 1,000 | 8.5 in | report |
| April 10, 2025 | Rainbow Trout | 700 | 9.4 in | report |
| October 14, 2024 | Rainbow Trout | 774 | 9 in | report |
| October 3, 2022 | Rainbow Trout | 1,020 | 9.7 in | report |
| March 15, 2022 | Rainbow Trout | 765 | 9 in | report |
| March 15, 2022 | Tiger Trout | 1,023 | – | report |
Species stocked here
Depth-by-season, top lures, and bait notes for each species stocked here are on its own species guide, linked above.