Goodale's Cutoff, established in 1862 on the north side of the Snake River, formed a spur of the Oregon Trail. This cutoff had been used as a pack trail by Native Americans and fur traders, and emigrant wagons traversed parts of the eastern section as early as 1852. After crossing the Snake River the cutoff headed north from Fort Hall toward Big Southern Butte following the Lost River part of the way. It passed near the present-day town of Arco, Idaho, and wound through the northern part of what is now Craters of the Moon National Monument. From there it went southwest to Camas Prairie and ended at Old Fort Boise on the Boise River. This journey typically took two to three weeks and was noted for its very rough lava terrain and extremely dry climate, which tended to dry the wooden wheels on the wagons, causing the iron rims to fall off the wheels. Loss of wheels caused many wagons to be abandoned along the route. It rejoined the main trail east of Boise. Goodale's Cutoff is visible at many points along US-20, US-26, and US-93 between Craters of the Moon National Monument and Carey.