A Roche Moutonnee is formed as a result of a glacier carving out rock as its moves. This rock hill has a smooth up-ice side and a rough down-ice side. The smooth up-ice side is the side where the glaciers passed. The rough down-ice side is the side where ice melts slightly by pressure and seeps down on the rocks, when the water refreezes, the ice becomes attached to the rocks connecting it to the glacier. Thus, when the glacier moves, pieces of the rocks are stripped from the rock formation leaving an uneven rough side.
