Clark County · reservoir · 3,837 acres
Lake Merwin
Stocked 2× on record · WDFW
Lake Merwin is a reservoir in Clark County, Washington, stocked with Bull Trout, Chinook Salmon, Coho Salmon and Kokanee — most recently on Jul 13, 2026. FishableWaters aggregates every stocking record for this water from WDFW; the latest schedule and today's bite windows are above.
Best days this week
Days near a new or full moon tend to fish best.
Today's bite windows
Conditions, next 3 days
Today
Fog
80°
56°
7 mph
0%
Fri
Clear
86°
62°
10 mph
0%
Sat
Rain
71°
52°
11 mph
71%
↗ pressure risingPost-front rising pressure can slow things down for a day.
Stocking ledger
| — 2026 — | ||||
| Jul 13 | Rainbow Trout | 1,647 | 0.3/lb | |
| Jul 13 | Rainbow Trout | 3,464 | 0.7/lb | |
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
All Washington waters with bull trout → · All Washington waters with chinook salmon →
Nearby waters
- Rock Creek1.2 mi
- Columbia Tie Mill Pond1.8 mi
- Brooks Creek1.9 mi
- Speelyai Creek2.1 mi
- Schmidt Creek2.1 mi
- Buncombe Hollow Creek2.2 mi
- Brush Creek3.8 mi
- Bitter Creek4.4 mi
Seasons, limits, and rules are the state's call — check the official WA regulations and buy your license before you go. We link the source; we never restate the rules.
Lake Merwin fishing — FAQ
What fish are stocked in Lake Merwin?+
Lake Merwin is stocked with Bull Trout, Chinook Salmon, Coho Salmon and Kokanee in Clark County, Washington, most recently on Jul 13, 2026 by WDFW. The full stocking ledger is on this page.
Do I need a license to fish Lake Merwin?+
Yes — Washington requires a fishing license. Buy one from the state and check current seasons and limits before you go; both are linked on this page.
Where is Lake Merwin?+
Lake Merwin is a reservoir in Clark County, Washington. Driving directions and an interactive topo map are on this page.
Data: WDFW · updated Jul 13, 2026 · checked daily · we publish what agencies publish, nothing else.