14 Caves & Caverns to Explore in Ontario

Caves and crevices boast the mysteries and exploration that Ontario has to offer. With exceptional cave systems like the Bonnechere Caves and Bruce Caves, visitors can get a glimpse of the epitome of historical geology and perhaps find some hidden treasures on their way. Here are 15 caves for you to explore in Ontario.

3 spectacular cave adventures to explore across Ontario

Singhampton Lookout and Caves, Ontario, Canada - 579 Reviews, Map

Drug-Resistant Bacteria Found in 4-Million-Year-Old Cave

Spelunking in Michigan's Longest Cave, the Hendrie River Water Cave - Lake Superior Magazine

Tyendinaga Cavern & Caves: Largest Known Cavern in Ontario is 2 Hours From Toronto

Spelunking in Michigan's Longest Cave, the Hendrie River Water Cave - Lake Superior Magazine

Dark Frontiers: Exploring Western Canada's Underground — State of the Mountains

You have to explore these caves and grottos in Ontario - Cottage Life

Sea caves, grottos & shipwrecks on the Bruce Peninsula