City & Municipal Parks · Ontario

Penn Lake Park Campground

City & Municipal Parks · Ontario, Canada

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Sites
27
Hookups
18 electric, 18 with water, 9 no hookups
Cost
Electrical sites $60 CAD/day; non-electrical sites $32 CAD/day.
Drinking water
Yes
Restrooms
Yes
Showers
Yes
Elevation
761 ft
Dark sky
Bortle class 4
Lake
Penn Lake
Nearest town
Marathon
Address
61 Penn Lake Road East, Marathon, ON
Phone
807-228-4258

About

Town of Marathon's largest dedicated green space, with a 2km trail circling the lake, beaches, volleyball, playground, and mountain biking trails. 27 sites: 16 with 30/15-amp service, 2 RV sites with 50/30/15-amp service, and 9 unserviced tent sites; serviced sites include sewer and potable water. Comfort station with washrooms, showers, and coin laundry.

Weather, month by month

MonthTypical highTypical lowColdest nightHottest dayYears with a night below 32°F
January19°3°-25°35°11 of 11
February21°5°-17°38°11 of 11
March30°17°-4°44°11 of 11
April37°29°7°53°11 of 11
May50°37°29°65°3 of 11
June57°45°38°76°0 of 11
July62°51°44°72°0 of 11
August66°57°51°74°0 of 11
September61°54°46°73°0 of 11
October49°42°29°60°3 of 10
November37°31°11°49°9 of 10
December25°17°-12°46°10 of 10

Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.

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All public campgrounds in Ontario · Every state and province · Facts read from the operator 2026-08-30. Confirm fees, rules and current status with the operator before you go.