Guided Whitewater Rafting and Kayaking Trips Wet Planet Whitewater is the Center for River Rafting and Kayaking in the Columbia River Gorge – Washington and Oregon. Wet Planet is a group of motivated, energetic, whitewater professionals who have come together to share a passion for whitewater rafting and kayaking. We offer guided river rafting trips in Oregon and Washington on the Northwest’s classic “wild and scenic” rivers, multi-day rafting & camping adventures in Idaho, whitewater kayak lessons and instruction, and river rescue training for whitewater professionals. Whether you are looking for white water rafting or kayaking in OR, WA, or ID, with Wet Planet, you can experience the true excitement & passion of white water adventures.