Mashapaug Pond fishing: Rainbow Trout, Walleye, Bluegill
Target species: Rainbow Trout, Walleye, Bluegill, Brown Trout
Boat: 1 ramp or launch on file for this water.
Start here: Launch at Mashapaug Lake Boat Launch.
The lake
Mashapaug Pond covers 303 acres in Connecticut, across Northeastern Connecticut County. It is a lake: 90.2% of it is 28 feet deep or less; the deepest point measured is at least 35 feet (10.7 m). Our records hold 4 species for this water.
Stocking: 6,649 fish in 2025
Connecticut DEEP Fisheries Division records list 6,649 fish released into this water in 2025.
- Rainbow Trout: 2,450 in 2025
- Brown Trout: 2,200 in 2025
- Walleye: 1,849 in 2025
2 more species on the stocking list.
Depth and bottom
Deepest measured point: at least 35 ft (10.7 m). That is the deepest contour line: the bottom goes deeper. 90.2% of the water is 28 feet or shallower. We hold 53 depth contour lines for this water.
- 0–2 ft: 3.1% of the water
- 2–4 ft: 5.2% of the water
- 4–6 ft: 7.2% of the water
- 6–8 ft: 8.1% of the water
- 8–10 ft: 9.1% of the water
- 10–12 ft: 12% of the water
- 12–14 ft: 6.5% of the water
- 14–16 ft: 5.2% of the water
- 16–18 ft: 5.5% of the water
- 18–20 ft: 6% of the water
- 20–22 ft: 6.7% of the water
- 22–24 ft: 7.9% of the water
- 24–26 ft: 4.6% of the water
- 26–28 ft: 3.1% of the water
- 28–30 ft: 2.5% of the water
- 30–32 ft: 2.2% of the water
- 32–34 ft: 1.9% of the water
- 34–35 ft: 3.4% of the water
4 target fish, led by Rainbow Trout
- Rainbow Trout — Feeding water: 50–65°F.
- Walleye — Feeding water: 50–75°F.
- Bluegill — Feeding water: 70–85°F.
- Brown Trout — Feeding water: 50–65°F.
1 ramp or launch on this water
On this water we hold 1 boat ramp.
- Mashapaug Lake Boat Launch — Union, Bigelow Hollow State Park. Bigelow Brook Road, Union · website portal.ct.gov/DEEP/Boating/Boat-Launches/Mashapaug-Lake-Boat-Launch
The place listed has no fee or opening hours on file: a blank means we hold no such field, not that it is free or always open, and this list may not be complete.
Water and conditions
pH averages 6.8. These readings span 2018–2023.
What is hard here
Only 1 public ramp is on file, so the launch decides where you fish.
Where this data comes from
- Connecticut DEEP — Connecticut DEEP: depth contours: class A, a survey of the bottom.
- Webster, K.E., McCullough, I.M., Soranno, P.A. LAGOS-US DEPTH v1.0, EDI, doi:10.6073/pasta/64ddc4d04661d9aef4bd702dc5d8984f (CC BY 4.0); Cheruvelil et al. LAGOS-US LOCUS v1.0 (EDI) — LAGOS-US DEPTH v1.0: Lake depth for 17,675 lakes in the conterminous U.S.: class B, a depth figure measured and published by an agency, without a bottom map.
