Buckhorn Lake
44.4856° N, 78.3912° W
Depth contours from the government survey. Not for navigation.
Download the depth map (SVG)Buckhorn Lake, Ontario. 44.4856° N, 78.3912° W
Maximum depth 12.2 m. Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/buckhorn-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.
- 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.
- Bathymetry lines and survey index, Ontario Ministry of Natural Resources. 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).
- Air Quality Health Index observations and forecasts, Environment and Climate Change Canada. Contains data from Environment and Climate Change Canada (ECCC Data Servers End-use Licence).
- Guide to Eating Ontario Fish: Advisory Database, Ontario Ministry of the Environment, Conservation and Parks. Contains information licensed under the Open Government Licence – Ontario.
- Ontario Waterbody Location Identifier, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
Buckhorn Lake is 12.2 m deep at its deepest point, shallower than 65% of the 2,688 surveyed lakes in Ontario. It covers 32.8 km² and lies beside Buckhorn.
Government surveys have recorded 14 fish species here, including yellow perch, pumpkinseed and bluegill.
- Maximum depth
- 12.2 m
- shallower than 65% of the 2,688 surveyed lakes in Ontario
- Area
- 32.8 km²
- larger than 98% of the 18,731 lakes in Ontario
- Shoreline
- 126 km
- longer than 98% of the 18,731 lakes in Ontario
- Water clarity
- 3.4 mSecchi depth, 2024
- less clear than 54% of the 1,251 monitored lakes in Ontario
- Fish species
- 14
- more than 86% of the 2,454 surveyed lakes in Ontario
- Elevation
- 244 m
Today on the water
6.8 °C
Observed at Peterborough, as of 3:00 a.m. EDT
choppy Estimated waves, next 12 hours: up to 0.4 m. Around 12 p.m., wind from the northwest: the northwest shore is sheltered, waves build toward the southeast shore.
| Time | 4 a.m. | 7 a.m. | 10 a.m. | 1 p.m. | 4 p.m. | 7 p.m. | 10 p.m. | 1 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | W 15 | W 15 | W 15 | NW 30 | NW 30 | NW 15 | var. 5 | var. 5 |
| Gusts km/h | 50 | 50 | ||||||
| Waves (est.) m | 0.2 | 0.2 | 0.2 | 0.4 | ||||
| Temp. °C | 5 | 6 | 10 | 14 | 16 | 11 | 6 | 3 |
| Precip. % | 20 | 40 | 40 | 40 | 20 | 20 | 0 | 0 |
Tonight: Partly cloudy. 40 percent chance of showers this evening. Wind northwest 30 km/h gusting to 50 becoming light this evening. Low plus 5.
Weather: Peterborough (local forecast), as of 3:02 a.m. EDT
Sun and moon
- Civil dawn
- 6:52 a.m.
- Sunrise
- 7:21 a.m.
- Sunset
- 6:39 p.m.
- Civil dusk
- 7:08 p.m.
- Moonrise
- 6:13 a.m.
- Moonset
- 5:58 p.m.
- Moon
- Waning crescent, 1% lit
Air Quality Health Index
2 low risk
Peterborough, as of 2:00 a.m. EDT
Follow this lake by email: a weekly summary of conditions.
Depth
The government depth survey records a maximum depth of 12.2 m, drawn from 88 depth contours.
- Download the depth map (SVG)Printing this page gives the map on one sheet, with scale and sources.
Not for navigation. Depths are from government surveys and may be outdated.
Fish
Sport fish by the share of the 54 government surveys (2008–2013) that recorded them.
Forage fish and other species (5)
Forage fish
- Golden Shiner 13
- Bloater 1
Other
- Brown Bullhead 6
- White Sucker 5
- Yellow Bullhead 1
Numbers are the surveys that recorded each species.
Eating your catch
The provincial guide to eating fish (2026) sets limits for 10 species from Buckhorn Lake. Maximum meals per month:
| Species | Length | General population | Sensitive population* | Contaminant |
|---|---|---|---|---|
| Black Crappie | 20-25 cm | 16 | 12 | Precautionary |
| Bluegill | 15-20 cm | 16 | 16 | Precautionary |
| Largemouth Bass | 30-35 cm | 16 | 8 | Mercury |
| Pumpkinseed | 15-20 cm | 16 | 12 | Precautionary |
| Rock Bass | 15-20 cm | 16 | 12 | Mercury |
| Smallmouth Bass | 35-40 cm | 16 | 8 | Mercury |
| Walleye | 40-45 cm | 16 | 8 | Mercury |
| Yellow Perch | 20-25 cm | 16 | 8 | Mercury |
| Brown Bullhead | 25-30 cm | 16 | 16 | Precautionary |
| Common Carp | 55-60 cm | 16 | 16 | Precautionary |
* As defined in the guide, including children and people who are or may become pregnant. Limits are for the length the guide lists most often; they change with the size of the fish. Read the official guide
Fishing regulations: Fisheries Management Zone 17. Check seasons and limits before you fish.
Water
Clarity was measured with a Secchi disk in 27 years between 1990 and 2024; the latest annual mean is 3.4 m.
Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.