Whatcom County, WA
Diablo Lake
About this water
Diablo Lake is a lake in Whatcom County, Washington. State records show it stocked 52 times between 2004 and 2025. Every recorded release has been rainbow trout. 4,604,816 rainbow trout have gone in across 52 releases.
Stocking history
52 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| Oct 27, 2025 | Rainbow · Ross Lake | 249,364 | — | Marblemount Hatchery |
| Nov 4, 2024 | Rainbow · Ross Lake | 134,588 | — | Marblemount Hatchery |
| Oct 26, 2023 | Rainbow · Ross Lake | 148,870 | — | Marblemount Hatchery |
| Oct 26, 2023 | Rainbow · Ross Lake | 15,374 | — | Marblemount Hatchery |
| Oct 18, 2022 | Rainbow · Ross Lake | 278,347 | — | Marblemount Hatchery |
| Oct 4, 2021 | Rainbow · Ross Lake | 318,485 | — | Marblemount Hatchery |
| Oct 6, 2020 | Rainbow · Ross Lake | 249,097 | — | Marblemount Hatchery |
| Oct 2, 2019 | Rainbow · Ross Lake | 140,229 | — | Marblemount Hatchery |
| Oct 2, 2019 | Rainbow · Ross Lake | 80,662 | — | Marblemount Hatchery |
| Oct 8, 2018 | Rainbow · Ross Lake | 276,600 | — | Marblemount Hatchery |
| Apr 4, 2018 | Rainbow · Ross Lake | 85,000 | — | Marblemount Hatchery |
| Sep 21, 2017 | Rainbow · Ross Lake | 70,073 | — | Marblemount Hatchery |
Showing the 12 most recent of 52. Stocking records for Diablo Lake published by Washington Department of Fish and Wildlife. Stocking does not guarantee fish are present. Check current regulations and access before you go. See the full Washington stocking report.


