The Saddle Mountains are part of a continuous west-east ridge across a fair bit of eastern Washington. This range is one of several asymmetric anticlinal folds that angle across the eastern Washington landscape. They take on the appearance of a series of waves propagating across the landscape.
East-west ridges with gentle south slopes (back of the wave) and steep north slopes (wave front)
Saddle Mountain (USGS)
The road up Crab Creek with Saddle Mountain on the right