By the time the pioneers had entered Idaho, they had traveled over 1,300 miles with approximately 700 miles left on their journey to Oregon City, Oregon. The excitement of the adventure had dissipated into the heat and exhaustion that had settled upon the wagon trains by July and August when they would be crossing into Idaho.
Follow this link to learn about the obstacles and dangers the pioneers found in the next to last state they would cross on their journey to their destination and all the promise that awaited them there.
http://www.nps.gov/oreg/planyourvisit/upload/ID%20ATR%20IG%20Final.pdf