Lost Hidden Lake fish stocking
Whatcom County, Washington
Lost Hidden Lake in Whatcom County, Washington was last stocked on August 9, 2026 with 100 cutthroat trout fry from Arlington Hatchery. Across the 5 years shown here, WDFW released 700 fish in 9 separate stockings. Stockings here are most common in August, September, and October.
When Lost Hidden Lake gets fish
Stocking history
Washington reports the exact release date. Sizes for Washington are estimated from the reported fish-per-pound.
2026 · 100 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Cutthroat Trout | 100 | — | Fry |
2025 · 150 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Cutthroat Trout | 100 | 2.3″ | Fry | |
| Rainbow Trout | 50 | 2.1″ | Fry |
2024 · 150 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Cutthroat Trout | 100 | — | Fry | |
| Rainbow Trout | 50 | — | Fry |
2023 · 150 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Cutthroat Trout | 75 | — | Fry | |
| Rainbow Trout | 75 | — | Fry |
2022 · 150 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Cutthroat Trout | 75 | 2″ | Fry | |
| Rainbow Trout | 75 | — | Fry |
Frequently asked questions
When was Lost Hidden Lake last stocked?
WDFW records show Lost Hidden Lake was last stocked on August 9, 2026 (8 weeks ago), with 100 cutthroat trout fry.
What fish are stocked in Lost Hidden Lake?
Lost Hidden Lake has been stocked with cutthroat trout and rainbow trout in the years shown here (2022–2026).
When does Lost Hidden Lake usually get stocked?
Most fish have been stocked in August, September, and October. Exact dates change from year to year, so check back or see WDFW's official stocking page.
Do I need a license to fish Lost Hidden Lake?
Yes, anglers generally need a valid Washington fishing license. Check the current Washington fishing regulations for seasons, limits and any special rules for Lost Hidden Lake.
Other stocked waters in Whatcom County
Fishtrap Creek
Lake Fazon
Whatcom Creek
Lake Whatcom
Lake Padden
Silver Lake 01
All 29 stocked waters in Whatcom County →
Source: WDFW Fish Plants (data.wa.gov). Stocked Lakes is not affiliated with Washington Department of Fish and Wildlife. Spot a problem? Let us know.