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Booking provider: Ontario Parks

Oastler Lake Provincial Park

Seguin, ON

Oastler Lake Provincial Park

October 2026

SMTWTFS
Sites openFully bookedChecking…

About

Oastler Lake Provincial Park is located just outside Parry Sound. It boasts a beautiful beach and is a great place to spend the day swimming or having a family picnic.

Boating and fishing are popular day use activities. Watercraft rentals, such as kayaks and stand-up paddle boards, are available at the park office, subject to availability. An off-leash beach area is a great place for those with dogs.

Oastler Lake offers premium waterfront campsites. There are 5 campgrounds that can accommodate equipment ranging from tents to large trailers. Campsites include parking for one vehicle with additional parking a short walk away. Beachside Campground has 24 electrical sites, including pull-through sites for larger trailers. Lakeview Campground offers 18 waterfront campsites. The Point Campground is radio- and generator-free and offers ten walk-in sites on Hemlock Peninsula. Campsites include parking for one vehicle 100 to 300 metres away. Riverside Campground has 18 large electrical sites along the Boyne River. Hardwood Hill Campground offers 24 electrical sites in a mixed deciduous forest near the pet exercise area.

Please note that railway tracks near the park are used frequently.

Phone: 705-378-2401

Is Oastler Lake Provincial Park fully booked?

A campground showing no availability is almost never full for good. People cancel — plans change, weather turns, someone books three weekends and keeps one — and the site goes straight back into the booking system, usually without warning and often at odd hours. The reason sold-out campgrounds feel impossible is not that sites never free up; it is that nobody is watching at the moment they do.

CampHawk watches Oastler Lake Provincial Park in Seguin, ON for you. We recheck it every 15 seconds, around the clock, and the moment a site opens we send a text, an email and a push notification, with a link straight to the booking page.

Searching is free and needs no account — the calendar above is live right now. Watching Oastler Lake Provincial Park for cancellations is the paid part.

Fully booked? What actually works when a campground is sold out.

Also booked out? See every Ontario campground we watch, or browse by state.