The way you navigate outdoors is outdated. Relying on commercial maps (printed or app-based) means you’re relying on someone else’s data. Here, Wes Siler walks you through creating your own custom maps on CalTopo, exporting them to your phone, and using them in the field with Avenza Maps. As you’ll see, that opens up unprecedented functionality and allows you to build your own custom destinations and routes, just a few of the benefits of using them outdoors.