Imagine that you are on a kayaking trip in an unfamiliar region. It has been pouring all night and in the morning all the rivers in the valley are too high. Your paddling schedule is ruined and you want to find anything worth paddling right here, right now. Normally you would need a lot of time to browse a map, read guidebooks and blogs, check any online gauges and ask your friends on Facebook. The whitewater.guide is an all-in-one mobile app that helps you to make your choice quickly, so you can just go kayaking!