Mammoth Lake
The PFBC 2026 adult trout stocking schedule lists 4 stocking dates for Mammoth Lake in Westmoreland County, on 1 section. The last one on the schedule was Oct 13, 2026. This is the agency’s schedule; PFBC does not publish fish counts in it.
PFBC data pulled .
Mammoth Lake in numbers
- stocking dates scheduled in 2026
- 4
- stocked sections
- 1
- dates still ahead after Nov 6
- 0
The schedule, date by date
Every stocking PFBC has scheduled for this water this year, section by section. Preseason dates are exact days; inseason and fall stockings are given as a week. The meeting place is where PFBC meets volunteers who help stock.
| When | Species | Season | Meeting place |
|---|---|---|---|
| Mar 4, 2026 | Rainbow trout, Golden rainbow troutpreseason | preseason | Mammoth Dam, 12:00 |
| Apr 10, 2026 | Rainbow trout, Golden rainbow troutinseason | inseason | Mammoth Dam, 12:00 |
| Apr 21, 2026 | Rainbow troutinseason | inseason | Mammoth Dam, 12:15 |
| Oct 13, 2026 | Rainbow troutfall | fall | Indian Lake, 12:00 |
What is stocked here
| Species | Scheduled stockings | Share |
|---|---|---|
| Rainbow trout | 4 | 67% |
| Golden rainbow trout | 2 | 33% |
Each map point is the upper end of a stocked section, as PFBC gives it in its schedule.
Closest waters on this site
Straight-line distance between map points, not driving distance.
Also in Westmoreland County: Loyalhanna Creek, Donegal Lake, Fourmile Run, Indian Lake, Keystone Lake, Northmoreland Lake, Twin Lakes Number One Reservoir - lower twin lake, Indian Creek.
Source: PFBC adult trout stocking schedule, Pennsylvania Fish and Boat Commission. Pulled . Check the agency and the current fishing rules before you go.
Near Mammoth Lake
Boat access, bait shops, rentals and places to stay within 10 miles. Distances are straight lines from the upper end of the stocked section, not driving distance.
Bait and tackle
nearest 2- Paflycofishing and hunting store · Bullskin Twp5.6 mi
- Red's Bait Shopfishing and hunting store · Acme6.0 mi
Boats, kayaks and marinas
1 listed- Donegal Marine Sales & Servicemarina · Donegal Twp7.0 mi
Campgrounds and RV parks
nearest 3- Huntingdon PointeRV park · East Huntingdon Twp7.4 mi
- Fox Den Acres Campgroundscampground · Hempfield Twp7.7 mi
- Donegal Campgroundcampground · Donegal7.8 mi
Lodging
nearest 3- Blum Housecabins · Acme4.2 mi
- Balter Houselodge · Acme4.3 mi
- Semicolin Woodlandshotel · Greensburg5.2 mi
Businesses: Overture Maps Foundation open places data (release 2026-10-21.0, pulled 2026-11-06), from the businesses’ public listings. We have not visited them and do not rank them. Hours and services change, so call ahead.