Secret Falls Trail Kauai, , , , , , , 0, Kayaking and Hiking to Secret Falls (Uluwehi Falls), Kauai - Hawaii, www.jordanoutside.com, 0 x 0, jpg, A kayak paddling on the Wailua River with a short hike to the majestic Secret Falls. Start this paddle by renting a kayak or joining a guided float. Launch your boat, and begin your paddle. Uluwehi Falls, also known as Secret Falls, is a beautiful place to kayak the Wailua River, hike, swim, sightsee, and enjoy the perfect Kauai waterfall adventure. , 12, secret-falls-trail-kauai, Vacation Destinations A kayak paddling on the Wailua River with a short hike to the majestic Secret Falls. Start this paddle by renting a kayak or joining a guided float. Launch your boat, and begin your paddle. Uluwehi Falls, also known as Secret Falls, is a beautiful place to kayak the Wailua River, hike, swim, sightsee, and enjoy the perfect Kauai waterfall adventure.