There was the Bozeman Trail, the Oregon Trail, the Mormon Trail and the California Trail that were all used for emigration west.
American settlers
It's really 2,000 miles long these other answers were so off it's not funny.
The Sante Fe and Oregon opened the American West by finding the best trails to California and Oregon. The Sante Fe Trail became a very important cattle trail. The Oregon Trail was populated by farmers for the most part.
Missouri and Columbia rivers
Travelers leaving Fort Hall could follow the Oregon Trail, which led to Oregon City, Oregon, or the California Trail, which led to Sacramento, California.
The trails were the Oregon trail and the California trail the California trail led to California and the Oregon trail led to Missouri.
The trails were the Oregon trail and the California trail the California trail led to California and the Oregon trail led to Missouri.
The trails were the Oregon trail and the California trail the California trail led to California and the Oregon trail led to Missouri.
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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.
The trails were the Oregon trail and the California trail the California trail led to California and the Oregon trail led to Missouri.
It was a trail for wagons from the east to follow to come to the West into the gold rush of California.
California trail
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the trail leading to California the trail leading to California