This small campground, where the Boyne River flows into Oastler Lake, is mainly distinguished by its crescent-shaped, sandy beach, fragrant woods, and pleasant, Muskoka-like terrain.

Nestled among the hilly bedrock of Ontario's cottage country, Oastler Lake offers a panoramic campsite view overlooking the beautiful lake. The park's rolling hills and rocky outcrops provide both scenic contrast and diverse recreational potential.

Before European settlers arrived, this land was inhabited by native peoples. The Ojibwa most likely used the peninsula as a stopover on their trading and hunting routes through the Boyne River from Georgian Bay to Otter Lake. The park's name pays tribute to the Oastlers, one of the first families to make their home in the area.