You should be able to raise the bike off of the ground by about five inches. If you can't, the bike is probably too big for you. Under demanding riding conditions, you will want to be able to quickly reach the ground when necessary. Next, set the seat to the right height. In a relaxed position, you should be able to extend your leg and touch the pedal at its lowest point with the heel of your foot.
Similiar roads are mining roads and logging roads, which effectively perform the same function.
These roads are usually wide enough for a four-wheel drive vehicle to comfortably pass. It is common to encounter stunning vistas along these routes which open up to panoramic splendor across tranquil valleys. The other variety are called Single-Tracks. These are fast, fun rides in which technique plays an important role. The turns are occasionally abrubt, there is more debris across the path, and water runoff often creates the need for quick maneuvering.