Lake Tarleton fishing: Rainbow Trout, Atlantic Salmon, Brown Trout
Target species: Rainbow Trout, Atlantic Salmon, Brown Trout, Smallmouth Bass
Boat: 1 ramp or launch on file for this water.
Start here: Launch at Lake Tarleton Boat Access Facility.
The lake
Lake Tarleton covers 335 acres in New Hampshire, across Grafton County. It is a lake: 91.7% of it is 48 feet deep or less; the deepest point measured is at least 60 feet (18.3 m). Our records hold 5 species for this water.
Depth and bottom
Deepest measured point: at least 60 ft (18.3 m). That is the deepest contour line: the bottom goes deeper. 91.7% of the water is 48 feet or shallower. We hold 49 depth contour lines for this water.

- 0–3 ft: 3.3% of the water
- 3–6 ft: 5.8% of the water
- 6–9 ft: 6.8% of the water
- 9–12 ft: 6.4% of the water
- 12–15 ft: 6.1% of the water
- 15–18 ft: 6% of the water
- 18–21 ft: 6.4% of the water
- 21–24 ft: 5.8% of the water
- 24–27 ft: 5.3% of the water
- 27–30 ft: 6.1% of the water
- 30–33 ft: 6% of the water
- 33–36 ft: 5.6% of the water
- 36–39 ft: 5.6% of the water
- 39–42 ft: 5.6% of the water
- 42–45 ft: 5.3% of the water
- 45–48 ft: 5.6% of the water
- 48–51 ft: 4.5% of the water
- 51–54 ft: 1.6% of the water
- 54–57 ft: 1.3% of the water
- 57–60 ft: 1% of the water
Stocking: 3,895 fish in 2026
New Hampshire Fish and Game Department records list 3,895 fish released into this water in 2026.
- Brown Trout: 1,200 in 2026
- Rainbow Trout: 1,200 in 2026
One more species on the stocking list.

4 target fish, led by Rainbow Trout
- Rainbow Trout — Feeding water: 50–65°F.
- Atlantic Salmon — Feeding water: 45–60°F.
- Brown Trout — Feeding water: 50–65°F.
- Smallmouth Bass — Feeding water: 60–75°F.
Also recorded here: Lake Whitefish.
1 ramp or launch on this water
On this water we hold 1 boat ramp and 1 shore access point.

- Lake Tarleton Boat Access Facility — Piermont.
Shore access for bank fishing
- Lake Tarleton State Park — restrooms. Piermont.
Fee and opening hours are blank for all 2 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.
Water and conditions
Our water temperature readings average 70°F; they do not cover the whole year, so this is not a yearly average. pH averages 6.4. These readings span 2017–2026.
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.




















