An isolated mountain or hill in a desert landscape created by progressive cliff retreat, so that the hill is surrounded by a pediment or an alluvial fan.

A German term used to describe a steep-sided hill composed of rock that rises from a pediplain.

a mountain or rocky mass that has resisted erosion and stands isolated in an essentially level area, sometimes above a forest canopy

an isolated hill, knob, ridge, or small mountain that rises abruptly from a gently sloping or

Ger.: "island mountain"] - a mountain with no other mountains nearby. knob

A steep ridge or hill left when a mountain has eroded and found in an otherwise flat, typically desert plain.

an isolated mountain or granite outcropping

A rocky hill or mountain rising from a plain.

Prominent steep-sided residual hills and mountains rising abruptly from plains. The residuals are generally bare and rocky, large and small, isolated and in hill and mountain groups, and they are surrounded by lowland surfaces of erosion that are generally true plains, as distinguished from peneplains.

(pl. inselberge) A steep sided hill composed predominantly of hard rock and rising abruptly above a plain, found mainly in tropical and subtropical areas.