Other contributors have said "How many years did the Oregon Trail?" is the same question as "What rock in Nebraska did the Oregon Trail the California Trail and the Morman Trail stop at?" If you believe that these are not asking the same thing and should be answered differently, click here
What rock in Nebraska did the Oregon Trail the California Trail and the Morman Trail stop at?
Independence Rock and Register Cliff are both in Wyoming. Chimney Rock in Western Nebraska is one of the landmarks along these trails. It is featured on the Nebraska State Quarter.
Like the Oregon trail the California trail was a long overland route for those who wished to move west. They both followed the same river valley's and trails for most of the trip until they arrived...