City, County & Regional Parks · Michigan

Sunken Lake Park Campground

City, County & Regional Parks · Michigan, United States

Open on the map Drive there Reserve Directions
Sites
56
Season
May 15 to October 15
Drinking water
Yes
Restrooms
Yes
Elevation
791 ft
Dark sky
Bortle class 1
Lake
Sunken Lake
Nearest town
Posen
Address
10300 S. Leer Road, Posen, MI 49776
Phone
989-379-3055
Activities
boating, fishing, swimming

About

Alpena County park on Sunken Lake, north-west of Alpena near Posen. 56 numbered campsites on the county's 2026 map, most with water and electric and some accessible sites, plus a boat launch and swimming beach. The county's parks are open May 15-October 15; sites book online through Campspot.

Weather, month by month

MonthTypical highTypical lowColdest nightHottest dayYears with a night below 32°F
January26°14°-4°40°11 of 11
February27°15°-7°48°11 of 11
March37°24°7°63°11 of 11
April48°33°9°75°9 of 11
May59°43°30°79°1 of 11
June68°52°42°87°0 of 11
July76°61°52°91°0 of 11
August76°61°54°87°0 of 11
September70°56°47°81°0 of 11
October55°44°33°75°0 of 10
November41°33°13°62°8 of 10
December33°25°4°59°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.

Nearby campgrounds

All public campgrounds in Michigan · Every state and province · Facts read from the operator 2026-09-06. Confirm fees, rules and current status with the operator before you go.