Berford Lake (Ontario): Depth Map, Fishing, Boat Launches & Water Quality

Map of Berford Lake — Berford Lake
44.8098° N, 81.1792° W

Shoreline and neighbouring water from open government data.

Berford Lake, Ontario. 44.8098° N, 81.1792° W

Not for navigation. Depths are from government surveys and may be outdated.

borealbound.ca/lakes/on/berford-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.
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).
Guide to Eating Ontario Fish: Advisory Database, Ontario Ministry of the Environment, Conservation and Parks. Contains information licensed under the Open Government Licence – Ontario.
Photographs, Wikimedia Commons contributors. Each photo carries its own licence (CC0, public domain, CC BY or CC BY-SA), credited where shown.

Berford Lake covers 4.13 km², making it larger than 90% of the 18,731 lakes in Ontario. It lies 1.8 km southeast of Mar.

Government surveys have recorded 14 fish species here, including smallmouth bass, rock bass and pumpkinseed.

Area: 4.13 km²; larger than 90% of the 18,731 lakes in Ontario
Shoreline: 12.8 km; longer than 80% of the 18,731 lakes in Ontario
Water clarity: 2.5 mSecchi depth, 1995; less clear than 73% of the 1,251 monitored lakes in Ontario
Fish species: 14; more than 89% of the 2,454 surveyed lakes in Ontario
Elevation: 206 m

Today on the water

9 °C

Mostly CloudyWind W 5 km/h

Observed at Wiarton, as of 3:00 a.m. EDT

choppy Estimated waves, next 12 hours: up to 0.3 m. Around 9 a.m., wind from the northwest: the northwest shore is sheltered, waves build toward the southeast shore.

Hourly forecast, next 24 hours
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	NW 20	NW 20	NW 30	NW 30	NW 30	NE 10	E 10	SE 10
Gusts km/h	40	40	50	50	50
Waves (est.) m	0.2	0.2	0.3	0.3
Temp. °C	4	6	10	13	15	13	9	6
Precip. %	40	40	40	20	20	0	0	0

Tonight: Partly cloudy with 60 percent chance of showers. Wind northwest 30 km/h gusting to 50. Low plus 4.

Weather: Wiarton (local forecast), as of 3:01 a.m. EDT

Sun and moon

Civil dawn: 7:03 a.m.
Sunrise: 7:32 a.m.
Sunset: 6:50 p.m.
Civil dusk: 7:19 p.m.
Moonrise: 6:25 a.m.
Moonset: 6:09 p.m.
Moon: Waning crescent, 1% lit

Follow this lake by email: a weekly summary of conditions.

Fish

Sport fish by the share of the 7 government surveys (1968–1999) that recorded them.

Smallmouth Bass7 of 7
Rock Bass5 of 7Not recorded since 1978
Pumpkinseed4 of 7
Yellow Perch3 of 7Not recorded since 1978
Northern Pike2 of 7Not recorded since 1974
Largemouth Bass1 of 7

Forage fish and other species (8)

Forage fish

Common Shiner 2
Johnny Darter 2
Mimic Shiner 2
Blacknose Shiner 1
Bluntnose Minnow 1
Golden Shiner 1
Iowa Darter 1

Other

White Sucker 2

Numbers are the surveys that recorded each species.

Eating your catch

The provincial guide to eating fish (2026) sets limits for 3 species from Berford Lake. Maximum meals per month:

Species	Length	General population	Sensitive population*	Contaminant
Northern Pike	50-55 cm	16	8	Mercury
Smallmouth Bass	25-30 cm	16	8	Mercury
Yellow Perch	20-25 cm	16	8	Mercury

* 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 16. Check seasons and limits before you fish.