I think the answer is fairly obvious - water. Water was essential for drinking, cooking, cleaning, bathing, and livestock, but much of the area these trails covered are very dry.
The Mormon Trail cloesly followed the Oregon and California trails much of the time. This is because there really was only one easy way to the west, due to the placement of mountains, rivers, and settlements used for gathering supplies.
Missouri yellowstone des chutes big horn
The Oregon trail was a 2000 mile long string of rivers and national land marks.
It wasn't discovered, it was created. Fur Trappers, Mountain Men, and Explorers had traveled to the Rocky Mountains for decades, so it was well known how to get to Utah by the time the Mormon Pioneers traveled there. It closely followed the Oregon and California trails for a majority of the time, because there was really only one accessable route due to rivers and large mountains being in the way.
i think it does have rivers
The address of the Oregon Rivers Museum is: 87984 Heather Drive, Springfield, OR 97478
No. Johnny Rivers, the rock singer, is not a member of the Church of Jesus Christ of Latter-day Saints (commonly called the "Mormon" church).
they are rivers
Freshwater
no bend oregon has crystal clear rivers that come straight from the mountains no dangerous fish are known to this area
1. go and look at the rivers
crater lake