We gather on the bank of the river near a set of natural rock steps. These look like a nice, gradual way to enter the water.

Outfitters provide guests with paddles, life jackets and helmets, and all have additional gear, including paddle or splash jackets, wetsuits and neoprene booties, available, often for an extra fee.

Zoo specialists take the wetsuit off Bridget every night for her comfort and to ensure it doesn’t snag on anything. They put it on her every morning, despite her feisty personality.

Zoo specialists take the wetsuit off Bridget every night for her comfort and to ensure it doesn’t snag on anything. They put it on her every morning, despite her feisty personality. “She’ll just give ...