The town also fosters tourism by offering snowmobile tours, trekking, skiing, fishing and dogsled rides. Winter travel on the Denali Highway is exclusively by snowmobile and dogsled. Outdoor Sports popular in the area include hiking, mountain climbing, snowmobiling and dogsled racing. Bikejoring and canicross probably developed from skijoring and dogsled racing. Since 1979 Marmora SnoFest has held the annual Marmora Cup (dogsled racing|dog-sled races). In the winter, visitors must access it by skis, snowshoes, snowmobile or dogsled. This location could be accessed only by riverboat, airplane, snowmobile or dogsled. Captain Hooper sent out exploratory parties by dogsled along the Siberian arctic coast. Another Alaskan transportation method is the dogsled. In the 1930s, Port Radium was home to an annual arctic dogsled race. She also spent two summers working as a dogsled guide on a glacier in Alaska. Dogsled exploration and depot parties braved drifting ice and temperatures of . In Manchuria and Siberia, the Mongols used dogsled relays for their yam. In Manchuria and southern Siberia, the Mongols still used dogsled relays for the yam. During his first winter in Alaska, Seppala became a dogsled driver for Lindeberg's company.