The Biggest Sea Cave In America Is Located In Oregon, And You’ll Want to Visit It

Did you know the largest sea cave in America is right here on the Oregon coast? Located near Florence, Oregon, just off Highway 101, the Sea Lion Caves is an incredible natural wonder that’s worth exploring. This sea cave in Oregon is part of the Cape Perpetua Marine Reserve, and is a sanctuary for many different kinds of animals — including the hundreds of Stellar Sea Lions that live and breed here many months of the year.

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