 News Talk KBOI. As this summer heat cranks up, immerse yourself into the thrill of wet and wild whitewater rafting. Hi, adventure seekers. Debbie here from Cascade Raft and Kayak inviting you to dive headfirst into the excitement on our full day South Fork Canyon rafting trip. We like to call it the plunge. Join us at our river center where we'll shuttle you to the canyon stretch of the Payette River.