Arnott Lake
49.598° N, 84.6065° W
Arnott Lake, Ontario. 49.598° N, 84.6065° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/arnott-lake/, compiled October 9, 2026
- Canadian Geographical Names Database, Natural Resources Canada. Contains information licensed under the Open Government Licence – Canada.
- HydroLAKES v1.0, Messager et al. 2016 / WWF HydroSHEDS. Licensed under CC BY 4.0.
- Census boundaries and population, 2021, Statistics Canada. Adapted from Statistics Canada. This does not constitute an endorsement by Statistics Canada.
- Aquatic Resource Area survey points, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- Fish stocking for recreational purposes, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- Fishing access points, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- Fisheries Management Zones, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- Lake Partner Program, Ontario Ministry of the Environment, Conservation and Parks. Contains information licensed under the Open Government Licence – Ontario.
- City page weather forecasts and alerts, Environment and Climate Change Canada. Contains data from Environment and Climate Change Canada (ECCC Data Servers End-use Licence).
Arnott Lake covers 2.42 km², Ontario. It lies 41 km southwest of Constance Lake (Achikamii/Achikamaw).
Government surveys have recorded 2 fish species here: lake trout and splake.
- Area
- 2.42 km²
- Shoreline
- 18.4 km
- Water clarity
- 7.3 mSecchi depth, 2018
- Fish species
- 2
- Elevation
- 304 m
Today on the water
2.6 °C
Observed at Hornepayne, as of 4:00 a.m. EDT
| Time | 5 a.m. | 8 a.m. | 11 a.m. | 2 p.m. | 5 p.m. | 8 p.m. | 11 p.m. | 2 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | NW 10 | W 20 | W 20 | W 20 | var. 5 | SE 10 | SE 10 | SE 10 |
| Temp. °C | 1 | -1 | 5 | 8 | 10 | 9 | 6 | 3 |
| Precip. % | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 20 |
Tonight: Cloudy with 60 percent chance of showers. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low minus 1.
Weather: Hornepayne (local forecast), as of 4:02 a.m. EDT
Sun and moon
- Civil dawn
- 7:18 a.m.
- Sunrise
- 7:50 a.m.
- Sunset
- 6:59 p.m.
- Civil dusk
- 7:31 p.m.
- Moonrise
- 6:42 a.m.
- Moonset
- 6:18 p.m.
- Moon
- Waning crescent, 1% lit
Follow this lake by email: a weekly summary of conditions.
Fish
- Lake TroutStocked
- SplakeStocked
Stocking
Lake Trout25,954 fish in 9 years, most recently 2025
Splake24,490 fish in 10 years, most recently 2025
All stocking records (22)
| Year | Species | Fish | Stage |
|---|---|---|---|
| 2025 | Lake Trout | 3,500 | Yearlings |
| 2025 | Splake | 1,920 | Yearlings |
| 2024 | Lake Trout | 1,348 | Yearlings |
| 2024 | Lake Trout | 1,348 | Yearlings |
| 2024 | Splake | 2,500 | Yearlings |
| 2023 | Lake Trout | 3,500 | Yearlings |
| 2023 | Splake | 2,500 | Yearlings |
| 2022 | Lake Trout | 1,900 | Yearlings |
| 2022 | Lake Trout | 40 | Adult |
| 2022 | Splake | 1,620 | Yearlings |
| 2021 | Splake | 3,450 | Yearlings |
| 2020 | Lake Trout | 2,500 | Yearlings |
| 2020 | Splake | 2,500 | Yearlings |
| 2019 | Lake Trout | 2,480 | Yearlings |
| 2019 | Splake | 2,500 | Yearlings |
| 2018 | Lake Trout | 3,000 | Yearlings |
| 2018 | Splake | 2,500 | Yearlings |
| 2017 | Lake Trout | 38 | Adult |
| 2017 | Lake Trout | 3,300 | Yearlings |
| 2017 | Splake | 2,500 | Yearlings |
| 2016 | Lake Trout | 3,000 | Yearlings |
| 2016 | Splake | 2,500 | Yearlings |
Fishing regulations: Fisheries Management Zone 7. Check seasons and limits before you fish.
Water
Clarity was measured with a Secchi disk in 2 years between 2015 and 2018; the latest annual mean is 7.3 m.
Getting on the water
3 listed boat launches. marks launches on the map.
- Boat launch
- Boat launch
- Boat launch
Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.