Loch Alsh Reservoir trout stocking
Montgomery County, Pennsylvania · lake · 282 ft elevation
Loch Alsh Reservoir was last stocked 5 months ago (Apr 25, 2026). We have 2 stockings on record since Mar 16, 2026, 2 in the last 12 months. Species stocked: rainbow trout, golden trout.
- Number 6 of 11 stocked waters in Montgomery County by stocking days.
- Stocked about as often as a typical Pennsylvania water on our record.
River conditions
Nearest USGS gage: Wissahickon Creek at Fort Washington, PA (4 km away, on a different stream or lake).
- Water temperature
- 65°F
- Flow
- 127 cfs
- much higher than usual for the last six weeks
- Gage height
- 3.06 ft
Ideal for trout. Prime range for trout (about 50 to 65°F): fish are feeding actively.
Latest reading Sep 29, 2026, 2:30 AM UTC. USGS data are provisional. Gage page at USGS.
Weather at Loch Alsh Reservoir
- Tonight57°FMostly Cloudy10% rain · wind 5 mph
- Tuesday73°FPartly Sunny6% rain · wind 5 to 10 mph
- Tuesday Night56°FPartly Cloudy2% rain · wind 0 to 5 mph
- Wednesday77°FMostly Sunnywind 0 to 5 mph
- Wednesday Night61°FPartly Cloudywind 0 mph
- Thursday81°FMostly Sunnywind 0 to 5 mph
Forecast from the National Weather Service for this location, refreshed hourly.
When is Loch Alsh Reservoir stocked?
Stockings are spread across the year.
By month, all years
What is stocked
| Species | Stockings |
|---|---|
| Rainbow trout | 2 |
| Golden trout | 1 |
Stocking history
20262 stockings
| Date | Species | Since previous | Section and meeting place | Hatchery |
|---|---|---|---|---|
Apr 25Latest Saturday | Rainbow trout | 40 days | Meet: 8600 Pine Rd Parking Lot Pennypack Creek, 12:30 PM | Pleasant Gap State Fish Hatchery |
Mar 16 Monday | Golden troutRainbow trout | Meet: 8600 Pine Rd Parking Lot Pennypack Creek, 1:30 AM | Pleasant Gap 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 Loch Alsh Reservoir?
Montgomery County, Pennsylvania. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Loch Alsh Reservoir
- Wissahickon Creekstream · 2 mistocked Apr 20, 2026
- Wissahickon Creekstream · 5 mistocked May 6, 2026
- Stony Creekstream · 7 mistocked May 1, 2026
- Pennypack Creekstream · 8 mistocked Apr 28, 2026
- Pennypack Creekstream · 8 mistocked Apr 28, 2026
- Kepner Creekstream · 8 mistocked May 1, 2026
- Skippack Creekstream · 11 mistocked Apr 30, 2026
- Ithan Creekstream · 13 mistocked Apr 23, 2026
All stocked waters in Montgomery CountyStocked this week in Pennsylvania
Questions about Loch Alsh Reservoir
- When was Loch Alsh Reservoir last stocked?
- The latest reported stocking was Apr 25, 2026 (rainbow trout), according to Pennsylvania agency reports.
- How often is Loch Alsh Reservoir stocked?
- It was stocked 2 times in the last 12 months.
- Is Loch Alsh Reservoir stocked often?
- Number 6 of 11 stocked waters in Montgomery County by stocking days. Stocked about as often as a typical Pennsylvania water on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Loch Alsh Reservoir?
- Rainbow trout (2 stockings); Golden trout (1 stocking).
- How warm is the water near Loch Alsh Reservoir?
- The nearest USGS gage read 65°F on Sep 29. 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.