When winter settles into Casper, something quietly magical happens along the Platte River Trails. SEE: The Platte River Trails Guide to the Best WinterWhile most people think of the Platte River Trails as a spring-and-summer staple, winter transforms them into a true wonderland—one where crunchy snow replaces gravel, chickadees chatter through bare branches, and the North Platte River glints under ice and sky. Fat bikes roll easily across packed trails, making the Platte River Trails a go-to winter route with easy access from nearly anywhere in Casper. Platte River Trails Share Winter Photos Winter in Casper is long, but that’s part of its charm—especially when you know where to go. For maps, updates, and seasonal inspiration, follow Platte River Trails on Facebook and Instagram—and let winter show you a softer side of Casper.