rim ridge

rim ridge

[′rim ‚rij]
(geology)
A minor ridge of till defining the edge of a moraine plateau.
References in periodicals archive ?
Once at the top, follow the path and head west along the back and then the crest of the rim ridge.
At the top, follow the path and head west along the back and then the crest of the rim ridge. The path will turn right and head north to reach the small summit at the top of the Craig Cwm Amarch ridge which heads south west from the summit.
Peary's north-pole rim ridge is in perpetual sunlight, with the Sun always just above the horizon.