They are often found within rift valleys and may be very deep.

"I heard about them being in the rift valley, with grasses?"

Joe turned his attention back to the expanse of the rift valley.

There are some hot springs characteristics of a rift valley to the east.

All right, we're ready to go into the rift valley.

The Rift valleys offer some protection from the worst of the weather.

After spending almost 40 minutes meandering along the rift valley, it's about time to get back on land.

A great rift valley also extends along the ridge over most of its length.

Because the region was a former marine strait, several areas of the rift valley are below sea level.

This feature is the beginning of the rift valley.