Armstrong County · reservoir · 865 acres
Keystone Lake
Keystone Lake is a reservoir in Armstrong County, Pennsylvania. FishableWaters aggregates every stocking record for this water from Pennsylvania's fish & wildlife agency; 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
Overcast
81°
58°
5 mph
0%
Sat
Overcast
85°
63°
10 mph
31%
Sun
Showers
79°
68°
13 mph
81%
→ pressure steadyStable weather — expect a normal bite.
Stocking ledger
No published stocking records yet. This water stays in our books — the ledger begins the hour its state agency publishes a record.
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
Nearby waters
- North Branch Plum Creek2.2 mi
- South Branch Plum Creek2.2 mi
- Cessna Run3.6 mi
- Dutch Run4.9 mi
- Sugarcamp Run4.1 mi
- Spruce Run5.1 mi
- Plum Creek6.3 mistocked May 4, 2026
- Curry Run6.5 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.
Keystone Lake fishing — FAQ
Do I need a license to fish Keystone Lake?+
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 Keystone Lake?+
Keystone Lake is a reservoir in Armstrong County, Pennsylvania. Driving directions and an interactive topo map are on this page.