Keystone Lake trout stocking
Westmoreland County, Pennsylvania · lake · 1,050 ft elevation
Keystone Lake was last stocked 5 months ago (Apr 27, 2026). We have 4 stockings on record since Feb 23, 2026, 3 in the last 12 months. Most stockings come in April. Species stocked: rainbow trout, golden trout.
Next stocking: Friday, October 16
- Volunteers meet at Loyalhanna Watershed, 6 Old Lincoln Hwy., Ligonier, PA at 11:45 AM.
The agency lists these meeting places for volunteers who help carry fish to the water. Dates change with weather and water levels; check the agency's schedule the day before.
- The second most stocked of 19 waters in Westmoreland County.
- Stocked more often than 86% of Pennsylvania waters on our record.
River conditions
Nearest USGS gage: Loyalhanna Creek at Latrobe, PA (6 km away, on a different stream or lake).
- Water temperature
- 59°F
- Gage height
- 6.56 ft
Ideal for trout. Prime range for trout (about 50 to 65°F): fish are feeding actively.
Latest reading Sep 28, 2026, 8:45 PM UTC. USGS data are provisional. Gage page at USGS.
Weather at Keystone Lake
- Tonight57°FPatchy Drizzle then Patchy Fog11% rain · wind 2 mph
- Tuesday72°FPatchy Fog then Partly Sunny2% rain · wind 2 mph
- Tuesday Night54°FAreas Of Fogwind 1 mph
- Wednesday77°FAreas Of Fog then Mostly Sunnywind 0 to 5 mph
- Wednesday Night59°FPartly Cloudywind 3 mph
- Thursday81°FMostly Sunny1% rain · wind 3 to 14 mph
Forecast from the National Weather Service for this location, refreshed hourly.
When is Keystone Lake stocked?
Most stockings come in April. Stocked 3 times in 2026, mostly in April, usually on Mondays, about every 52 days.
By month, all years
What is stocked
| Species | Stockings |
|---|---|
| Rainbow trout | 3 |
| Golden trout | 2 |
Stocking history
20263 stockings · 1 planned
| Date | Species | Since previous | Section and meeting place | Hatchery |
|---|---|---|---|---|
Oct 16Planned Friday | Rainbow trout | Meet: Loyalhanna Watershed, 6 Old Lincoln Hwy., Ligonier, PA, 11:45 AM | Bellefonte State Fish Hatchery | |
Apr 27Latest Monday | Rainbow trout | 11 days | Meet: Keystone Lake Park Office, 1150 Keystone Park Road, Derry PA, 11:15 AM | Bellefonte State Fish Hatchery |
Apr 16 Thursday | Golden troutRainbow trout | 52 days | Meet: Keystone Lake Park Office, 1150 Keystone Park Road, Derry PA, 11:15 AM | Bellefonte State Fish Hatchery |
Feb 23 Monday | Golden troutRainbow trout | Meet: Keystone Lk Park Office, 1150 Keystone Park Road, Derry, PA, 11:15 AM | Bellefonte State Fish Hatchery |
From Pennsylvania fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go. Seasons and limits: Pennsylvania fishing regulations.
Where is Keystone Lake?
Westmoreland County, Pennsylvania. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Keystone Lake
- Twin Lakes Number One Reservoir - lower twin lakelake · 6 mistocked Apr 21, 2026
- Twin Lakes Number Two Reservoir -upper twin lakelake · 6 mistocked Apr 14, 2026
- Sewickley Creekstream · 11 mistocked May 4, 2026
- Toms Runstream · 12 mistocked Mar 18, 2026
- Mammoth Lakelake · 12 mistocked Apr 21, 2026
- Hannas Runstream · 12 mistocked Mar 3, 2026
- Loyalhanna Creekstream · 12 mistocked Apr 30, 2026
- Hendricks Creekstream · 13 mistocked Mar 27, 2026
All stocked waters in Westmoreland CountyStocked this week in Pennsylvania
Questions about Keystone Lake
- When was Keystone Lake last stocked?
- The latest reported stocking was Apr 27, 2026 (rainbow trout), according to Pennsylvania agency reports.
- When is Keystone Lake stocked next?
- The agency has a stocking scheduled for Oct 16, 2026. Planned dates can shift with weather and water conditions.
- Where do volunteers meet for the next Keystone Lake stocking?
- Loyalhanna Watershed, 6 Old Lincoln Hwy., Ligonier, PA at 11:45 AM, on Oct 16, 2026, according to the Pennsylvania stocking schedule, which lists meeting places for volunteers who help carry fish to the water.
- How often is Keystone Lake stocked?
- Stocked 3 times in 2026, mostly in April, usually on Mondays, about every 52 days. Across all years on record, most stockings come in April.
- Is Keystone Lake stocked often?
- The second most stocked of 19 waters in Westmoreland County. Stocked more often than 86% of Pennsylvania waters on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Keystone Lake?
- Rainbow trout (3 stockings); Golden trout (2 stockings).
- How warm is the water near Keystone Lake?
- The nearest USGS gage read 59°F on Sep 28. Prime range for trout (about 50 to 65°F): fish are feeding actively.
Stocking schedule from the Pennsylvania Fish and Boat Commission. Dates, sections and meeting places are shown as the Commission publishes them.