Mammoth Lake near Calumet: Fishing Spots, Seasons and Access

• Overview

  Pennsylvania holds Mammoth Lake, in Westmoreland County. The ground round it is mixed woodland. With some 27 acres of water, there is room for a boat but no need of one. Bank access stretches around 1.0 miles in total. On our Westmoreland County list it sits near the top for size. The nearest place of any size is Calumet, 1.6 miles away. The nearest city of size is Pittsburgh, 32 miles away. Two sets of local rules meet not far from this water.

• Where to Fish on Mammoth Lake

  No chart reached our records; the first cast is your sounding. Look for where the old bank line still shows under the surface. The arms fish better than the open middle whenever the water is up. Records held for Westmoreland County cover bluegill, largemouth bass, brown trout and white crappie. Those are county-wide records, so not every one of them will be in this water. Fish Mammoth Lake where the bottom changes rather than where it looks deep.

• Seasonal Patterns

  Climate records put July near 71°F and January near 27°F. The freeze here is occasional rather than annual. It should never be assumed safe, whatever the month says. Autumn steadies things again once the heat lets go. Mammoth Lake fishes to that pattern most years. Water temperature lags behind air temperature by days, not hours.

• Tackle & Baits

  Our records carry no access rule either way. A car park sits roughly 170 yards away. Mammoth Lake is mapped as a fishing spot about 30 yards away. A small crankbait along the drop and a worm in the thick stuff cover the bass. Season dates differ by species, so read the table. Keep proof of licence with you rather than in the car. The nearest alternative is Lonesome Lake, 3.7 miles out. What applies at Mammoth Lake may have changed since it was mapped.