Science & Medicine

Diving Ottawa River Underwater Caves

The Blue Fish Radio Show by Blue Fish Radio

Sep 26, 202535:17Science & Medicine

It comes as a surprise to many that there are a series of underwater caves measuring 10 km in length that exist below the Ottawa River not far from Canada’s Parliament. Renowned cave diver Jill Heinerth has been busy exp...

About This Episode

Diving Ottawa River Underwater Caves is an episode from The Blue Fish Radio Show by Blue Fish Radio. It comes as a surprise to many that there are a series of underwater caves measuring 10 km in length that exist below the Ottawa River not...

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Published Sep 26, 2025, 35:17 long, audio available.

Diving Ottawa River Underwater Caves

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