Montgomery County · reservoir · 7 acres
Lock Alsh Reservoir
Stocked 3× on record · PFBC
Lock Alsh Reservoir is a reservoir in Montgomery County, Pennsylvania, stocked with Golden Rainbow Trout and Rainbow Trout — most recently on Apr 25, 2026. FishableWaters aggregates every stocking record for this water from PFBC; 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
Showers
81°
69°
12 mph
31%
Fri
Mostly clear
88°
67°
5 mph
4%
Sat
Overcast
89°
68°
11 mph
2%
↗ pressure risingPost-front rising pressure can slow things down for a day.
Stocking ledger
| — 2026 — | ||||
| Apr 25 | Rainbow Trout | — | ||
| Mar 16 | Rainbow Trout | — | ||
| Mar 16 | Golden Rainbow Trout | — | ||
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
All Pennsylvania waters with golden rainbow trout → · All Pennsylvania waters with rainbow trout →
Nearby waters
- Sandy Run2.0 mi
- Trewellyn Creek3.4 mi
- Pine Run3.1 mi
- Bradford Reservoir5.6 mi
- Park Creek5.6 mi
- Mermaid Lake4.9 mi
- Devils Pool7.3 mi
- Upper Roxborough Reservoir7.2 mi
Seasons, limits, and rules are the state's call — check the official PA regulations and buy your license before you go. We link the source; we never restate the rules.
Lock Alsh Reservoir fishing — FAQ
What fish are stocked in Lock Alsh Reservoir?+
Lock Alsh Reservoir is stocked with Golden Rainbow Trout and Rainbow Trout in Montgomery County, Pennsylvania, most recently on Apr 25, 2026 by PFBC. The full stocking ledger is on this page.
Do I need a license to fish Lock Alsh Reservoir?+
Yes — Pennsylvania 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 Lock Alsh Reservoir?+
Lock Alsh Reservoir is a reservoir in Montgomery County, Pennsylvania. Driving directions and an interactive topo map are on this page.
Data: PFBC · updated Apr 25, 2026 · checked daily · we publish what agencies publish, nothing else.
