WILLOW BEACH — There is a cave with sparkling green water right here in Arizona! Welcome to the Emerald Cave at Emerald Cove in Willow Beach, Arizona. This glowing green spectacle is only accessible ...

As far as hidden gems go, Emerald Cave certainly qualifies. It’s a small grotto carved from the rocky walls of a canyon on the Colorado River in northwestern Arizona that can only be reached by a boat ...

The tour, just voted one of the best experiences in the U.S., will pick you up from your Las Vegas hotel and bring you to the little-known Arizona attraction. Rachel Chang is a travel and pop culture ...

It's only accessible by kayak - but that doesn't stop hundreds of tourists from paddling they way to the Emerald Cave. It's only the Colorado River - just below the Hoover Dam. When the sun is just ...

Lapland has the northern lights. Yosemite has a moonbow that forms over its waterfalls. Now the Colorado River near Hoover Dam claims that waters inside a small cave turn a brilliant emerald green at ...

WILLOW BEACH — There is a cave with sparkling green water right here in Arizona! Welcome to the Emerald Cave at Emerald Cove in Willow Beach, Arizona. This glowing green spectacle is only accessible ...

Emerald Cave, a small grotto on the Colorado River, is accessible by kayak, canoe or paddleboard. The cave's green shimmer is caused by sunlight reflecting off the canyon walls and underwater algae.