Opechee Bay Reservoir fishing: Largemouth Bass, Rainbow Trout, Smallmouth Bass
Target species: Largemouth Bass, Rainbow Trout, Smallmouth Bass
Boat: 1 ramp or launch on file for this water.
Start here: Launch at Messer Street Boat Ramp.
The reservoir
Opechee Bay Reservoir covers 453 acres in New Hampshire, across Belknap County. It is a reservoir: 92.6% of it is 42 feet deep or less; the deepest point measured is at least 50 feet (15.2 m). Our records hold 3 species for this water.
Stocking: 1,000 fish in 2026
New Hampshire Fish and Game Department records list 1,000 fish released into this water in 2026.
- Rainbow Trout: 1,000 in 2026
Depth and bottom
Deepest measured point: at least 50 ft (15.2 m). That is the deepest contour line: the bottom goes deeper. 92.6% of the water is 42 feet or shallower. We hold 33 depth contour lines for this water.
- 0–3 ft: 13.2% of the water
- 3–6 ft: 8.1% of the water
- 6–9 ft: 7.3% of the water
- 9–12 ft: 6.9% of the water
- 12–15 ft: 6.9% of the water
- 15–18 ft: 6.7% of the water
- 18–21 ft: 6.8% of the water
- 21–24 ft: 4.8% of the water
- 24–27 ft: 4.1% of the water
- 27–30 ft: 4.4% of the water
- 30–33 ft: 5.5% of the water
- 33–36 ft: 6.5% of the water
- 36–39 ft: 5.7% of the water
- 39–42 ft: 5.7% of the water
- 42–45 ft: 3.7% of the water
- 45–48 ft: 2.4% of the water
- 48–50 ft: 1.2% of the water
3 target fish, led by Largemouth Bass
- Largemouth Bass — Feeding water: 65–85°F.
- Rainbow Trout — Feeding water: 50–65°F.
- Smallmouth Bass — Feeding water: 60–75°F.
Water and conditions
Our water temperature readings average 65°F; they do not cover the whole year, so this is not a yearly average. pH averages 6.8. These readings span 2016–2024.
1 ramp or launch on this water
On this water we hold 1 boat ramp and 3 shore access points.
- Messer Street Boat Ramp — restrooms. Laconia.
Shore access for bank fishing
- Opechee Bay State Forest — Laconia.
- Opechee Park — restrooms. Laconia.
- Rotary Park Canoe and Kayak Launch — Laconia.
Fee and opening hours are blank for all 4 places in this list: a blank means we hold no such field, not that it is free or always open, and this list may not be complete.
What is hard here
Only 1 public ramp is on file, so the launch decides where you fish.
Where this data comes from
- NH GRANIT — NH GRANIT: 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.
